20169748480

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 312

約数和(自身を含む): 57146968800

約数和(自身を除く): 36977220320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 101, 112, 128, 140, 160, 196, 199, 202, 224, 245, 256, 280, 320, 392, 398, 404, 448, 490, 505, 512, 560, 640, 707, 784, 796, 808, 896, 980, 995, 1010, 1024, 1120, 1280, 1393, 1414, 1568, 1592, 1616, 1792, 1960, 1990, 2020, 2048, 2240, 2560, 2786, 2828, 3136, 3184, 3232, 3535, 3584, 3920, 3980, 4040, 4096, 4480, 4949, 5120, 5572, 5656, 6272, 6368, 6464, 6965, 7070, 7168, 7840, 7960, 8080, 8960, 9751, 9898, 10240, 11144, 11312, 12544, 12736, 12928, 13930, 14140, 14336, 15680, 15920, 16160, 17920, 19502, 19796, 20099, 20480, 22288, 22624, 24745, 25088, 25472, 25856, 27860, 28280, 28672, 31360, 31840, 32320, 35840, 39004, 39592, 40198, 44576, 45248, 48755, 49490, 50176, 50944, 51712, 55720, 56560, 62720, 63680, 64640, 71680, 78008, 79184, 80396, 89152, 90496, 97510, 98980, 100352, 100495, 101888, 103424, 111440, 113120, 125440, 127360, 129280, 140693, 143360, 156016, 158368, 160792, 178304, 180992, 195020, 197960, 200704, 200990, 203776, 206848, 222880, 226240, 250880, 254720, 258560, 281386, 312032, 316736, 321584, 356608, 361984, 390040, 395920, 401980, 407552, 413696, 445760, 452480, 501760, 509440, 517120, 562772, 624064, 633472, 643168, 703465, 713216, 723968, 780080, 791840, 803960, 815104, 891520, 904960, 984851, 1003520, 1018880, 1034240, 1125544, 1248128, 1266944, 1286336, 1406930, 1426432, 1447936, 1560160, 1583680, 1607920, 1783040, 1809920, 1969702, 2037760, 2068480, 2251088, 2496256, 2533888, 2572672, 2813860, 2852864, 2895872, 3120320, 3167360, 3215840, 3566080, 3619840, 3939404, 4075520, 4502176, 4924255, 4992512, 5067776, 5145344, 5627720, 5705728, 6240640, 6334720, 6431680, 7132160, 7239680, 7878808, 9004352, 9848510, 9985024, 10135552, 10290688, 11255440, 12481280, 12669440, 12863360, 14264320, 14479360, 15757616, 18008704, 19697020, 19970048, 20271104, 20581376, 22510880, 24962560, 25338880, 25726720, 28528640, 31515232, 36017408, 39394040, 39940096, 41162752, 45021760, 49925120, 50677760, 51453440, 63030464, 72034816, 78788080, 82325504, 90043520, 99850240, 101355520, 102906880, 126060928, 144069632, 157576160, 180087040, 199700480, 205813760, 252121856, 288139264, 315152320, 360174080, 411627520, 504243712, 576278528, 630304640, 720348160, 1008487424, 1260609280, 1440696320, 2016974848, 2521218560, 2881392640, 4033949696, 5042437120, 10084874240, 20169748480]

約数ペア:

[(1, 20169748480), (2, 10084874240), (4, 5042437120), (5, 4033949696), (7, 2881392640), (8, 2521218560), (10, 2016974848), (14, 1440696320), (16, 1260609280), (20, 1008487424), (28, 720348160), (32, 630304640), (35, 576278528), (40, 504243712), (49, 411627520), (56, 360174080), (64, 315152320), (70, 288139264), (80, 252121856), (98, 205813760), (101, 199700480), (112, 180087040), (128, 157576160), (140, 144069632), (160, 126060928), (196, 102906880), (199, 101355520), (202, 99850240), (224, 90043520), (245, 82325504), (256, 78788080), (280, 72034816), (320, 63030464), (392, 51453440), (398, 50677760), (404, 49925120), (448, 45021760), (490, 41162752), (505, 39940096), (512, 39394040), (560, 36017408), (640, 31515232), (707, 28528640), (784, 25726720), (796, 25338880), (808, 24962560), (896, 22510880), (980, 20581376), (995, 20271104), (1010, 19970048), (1024, 19697020), (1120, 18008704), (1280, 15757616), (1393, 14479360), (1414, 14264320), (1568, 12863360), (1592, 12669440), (1616, 12481280), (1792, 11255440), (1960, 10290688), (1990, 10135552), (2020, 9985024), (2048, 9848510), (2240, 9004352), (2560, 7878808), (2786, 7239680), (2828, 7132160), (3136, 6431680), (3184, 6334720), (3232, 6240640), (3535, 5705728), (3584, 5627720), (3920, 5145344), (3980, 5067776), (4040, 4992512), (4096, 4924255), (4480, 4502176), (4949, 4075520), (5120, 3939404), (5572, 3619840), (5656, 3566080), (6272, 3215840), (6368, 3167360), (6464, 3120320), (6965, 2895872), (7070, 2852864), (7168, 2813860), (7840, 2572672), (7960, 2533888), (8080, 2496256), (8960, 2251088), (9751, 2068480), (9898, 2037760), (10240, 1969702), (11144, 1809920), (11312, 1783040), (12544, 1607920), (12736, 1583680), (12928, 1560160), (13930, 1447936), (14140, 1426432), (14336, 1406930), (15680, 1286336), (15920, 1266944), (16160, 1248128), (17920, 1125544), (19502, 1034240), (19796, 1018880), (20099, 1003520), (20480, 984851), (22288, 904960), (22624, 891520), (24745, 815104), (25088, 803960), (25472, 791840), (25856, 780080), (27860, 723968), (28280, 713216), (28672, 703465), (31360, 643168), (31840, 633472), (32320, 624064), (35840, 562772), (39004, 517120), (39592, 509440), (40198, 501760), (44576, 452480), (45248, 445760), (48755, 413696), (49490, 407552), (50176, 401980), (50944, 395920), (51712, 390040), (55720, 361984), (56560, 356608), (62720, 321584), (63680, 316736), (64640, 312032), (71680, 281386), (78008, 258560), (79184, 254720), (80396, 250880), (89152, 226240), (90496, 222880), (97510, 206848), (98980, 203776), (100352, 200990), (100495, 200704), (101888, 197960), (103424, 195020), (111440, 180992), (113120, 178304), (125440, 160792), (127360, 158368), (129280, 156016), (140693, 143360)]