20691820440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:991

約数の個数: 256

約数和(自身を含む): 69905203200

約数和(自身を除く): 49213382760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 180, 216, 254, 257, 270, 360, 381, 508, 514, 540, 587, 635, 762, 771, 1016, 1028, 1080, 1143, 1174, 1270, 1285, 1524, 1542, 1761, 1905, 2056, 2286, 2313, 2348, 2540, 2570, 2935, 3048, 3084, 3429, 3522, 3810, 3855, 4572, 4626, 4696, 5080, 5140, 5283, 5715, 5870, 6168, 6858, 6939, 7044, 7620, 7710, 8805, 9144, 9252, 10280, 10566, 11430, 11565, 11740, 13716, 13878, 14088, 15240, 15420, 15849, 17145, 17610, 18504, 21132, 22860, 23130, 23480, 26415, 27432, 27756, 30840, 31698, 32639, 34290, 34695, 35220, 42264, 45720, 46260, 52830, 55512, 63396, 65278, 68580, 69390, 70440, 74549, 79245, 92520, 97917, 105660, 126792, 130556, 137160, 138780, 149098, 150859, 158490, 163195, 195834, 211320, 223647, 261112, 277560, 293751, 298196, 301718, 316980, 326390, 372745, 391668, 447294, 452577, 489585, 587502, 596392, 603436, 633960, 652780, 670941, 745490, 754295, 783336, 881253, 894588, 905154, 979170, 1118235, 1175004, 1206872, 1305560, 1341882, 1357731, 1468755, 1490980, 1508590, 1762506, 1789176, 1810308, 1958340, 2012823, 2236470, 2262885, 2350008, 2683764, 2715462, 2937510, 2981960, 3017180, 3354705, 3525012, 3620616, 3916680, 4025646, 4073193, 4406265, 4472940, 4525770, 5367528, 5430924, 5875020, 6034360, 6709410, 6788655, 7050024, 8051292, 8146386, 8812530, 8945880, 9051540, 10064115, 10861848, 11750040, 13418820, 13577310, 16102584, 16292772, 17625060, 18103080, 19159093, 20128230, 20365965, 26837640, 27154620, 32585544, 35250120, 38318186, 40256460, 40731930, 54309240, 57477279, 76636372, 80512920, 81463860, 95795465, 114954558, 153272744, 162927720, 172431837, 191590930, 229909116, 287386395, 344863674, 383181860, 459818232, 517295511, 574772790, 689727348, 766363720, 862159185, 1034591022, 1149545580, 1379454696, 1724318370, 2069182044, 2299091160, 2586477555, 3448636740, 4138364088, 5172955110, 6897273480, 10345910220, 20691820440]

約数ペア:

[(1, 20691820440), (2, 10345910220), (3, 6897273480), (4, 5172955110), (5, 4138364088), (6, 3448636740), (8, 2586477555), (9, 2299091160), (10, 2069182044), (12, 1724318370), (15, 1379454696), (18, 1149545580), (20, 1034591022), (24, 862159185), (27, 766363720), (30, 689727348), (36, 574772790), (40, 517295511), (45, 459818232), (54, 383181860), (60, 344863674), (72, 287386395), (90, 229909116), (108, 191590930), (120, 172431837), (127, 162927720), (135, 153272744), (180, 114954558), (216, 95795465), (254, 81463860), (257, 80512920), (270, 76636372), (360, 57477279), (381, 54309240), (508, 40731930), (514, 40256460), (540, 38318186), (587, 35250120), (635, 32585544), (762, 27154620), (771, 26837640), (1016, 20365965), (1028, 20128230), (1080, 19159093), (1143, 18103080), (1174, 17625060), (1270, 16292772), (1285, 16102584), (1524, 13577310), (1542, 13418820), (1761, 11750040), (1905, 10861848), (2056, 10064115), (2286, 9051540), (2313, 8945880), (2348, 8812530), (2540, 8146386), (2570, 8051292), (2935, 7050024), (3048, 6788655), (3084, 6709410), (3429, 6034360), (3522, 5875020), (3810, 5430924), (3855, 5367528), (4572, 4525770), (4626, 4472940), (4696, 4406265), (5080, 4073193), (5140, 4025646), (5283, 3916680), (5715, 3620616), (5870, 3525012), (6168, 3354705), (6858, 3017180), (6939, 2981960), (7044, 2937510), (7620, 2715462), (7710, 2683764), (8805, 2350008), (9144, 2262885), (9252, 2236470), (10280, 2012823), (10566, 1958340), (11430, 1810308), (11565, 1789176), (11740, 1762506), (13716, 1508590), (13878, 1490980), (14088, 1468755), (15240, 1357731), (15420, 1341882), (15849, 1305560), (17145, 1206872), (17610, 1175004), (18504, 1118235), (21132, 979170), (22860, 905154), (23130, 894588), (23480, 881253), (26415, 783336), (27432, 754295), (27756, 745490), (30840, 670941), (31698, 652780), (32639, 633960), (34290, 603436), (34695, 596392), (35220, 587502), (42264, 489585), (45720, 452577), (46260, 447294), (52830, 391668), (55512, 372745), (63396, 326390), (65278, 316980), (68580, 301718), (69390, 298196), (70440, 293751), (74549, 277560), (79245, 261112), (92520, 223647), (97917, 211320), (105660, 195834), (126792, 163195), (130556, 158490), (137160, 150859), (138780, 149098)]