20213306820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{863}}^1$

素因数の和:1555

約数の個数: 288

約数和(自身を含む): 72686315520

約数和(自身を除く): 52473008700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 641, 812, 863, 870, 1015, 1044, 1218, 1260, 1282, 1305, 1726, 1740, 1827, 1923, 2030, 2436, 2564, 2589, 2610, 3045, 3205, 3452, 3654, 3846, 4060, 4315, 4487, 5178, 5220, 5769, 6041, 6090, 6410, 7308, 7692, 7767, 8630, 8974, 9135, 9615, 10356, 11538, 12082, 12180, 12820, 12945, 13461, 15534, 17260, 17948, 18123, 18270, 18589, 19230, 22435, 23076, 24164, 25027, 25890, 26922, 28845, 30205, 31068, 36246, 36540, 37178, 38460, 38835, 40383, 44870, 50054, 51780, 53844, 54369, 55767, 57690, 60410, 67305, 72492, 74356, 75081, 77670, 80766, 89740, 90615, 92945, 100108, 108738, 111534, 115380, 120820, 125135, 130123, 134610, 150162, 155340, 161532, 167301, 175189, 181230, 185890, 201915, 217476, 223068, 225243, 250270, 260246, 269220, 271845, 278835, 300324, 334602, 350378, 362460, 371780, 375405, 390369, 403830, 450486, 500540, 520492, 525567, 543690, 553183, 557670, 650615, 669204, 700756, 750810, 780738, 807660, 836505, 875945, 900972, 1051134, 1087380, 1106366, 1115340, 1126215, 1171107, 1301230, 1501620, 1561476, 1576701, 1659549, 1673010, 1751890, 1951845, 2102268, 2212732, 2252430, 2342214, 2602460, 2627835, 2765915, 3153402, 3319098, 3346020, 3503780, 3872281, 3903690, 4504860, 4684428, 4978647, 5255670, 5531830, 5855535, 6306804, 6638196, 7744562, 7807380, 7883505, 8297745, 9957294, 10511340, 11063660, 11616843, 11711070, 15489124, 15767010, 16042307, 16595490, 19361405, 19914588, 23233686, 23422140, 24893235, 31534020, 32084614, 33190980, 34850529, 38722810, 46467372, 48126921, 49786470, 58084215, 64169228, 69701058, 77445620, 80211535, 96253842, 99572940, 112296149, 116168430, 139402116, 144380763, 160423070, 174252645, 192507684, 224592298, 232336860, 240634605, 288761526, 320846140, 336888447, 348505290, 449184596, 481269210, 561480745, 577523052, 673776894, 697010580, 721903815, 962538420, 1010665341, 1122961490, 1347553788, 1443807630, 1684442235, 2021330682, 2245922980, 2887615260, 3368884470, 4042661364, 5053326705, 6737768940, 10106653410, 20213306820]

約数ペア:

[(1, 20213306820), (2, 10106653410), (3, 6737768940), (4, 5053326705), (5, 4042661364), (6, 3368884470), (7, 2887615260), (9, 2245922980), (10, 2021330682), (12, 1684442235), (14, 1443807630), (15, 1347553788), (18, 1122961490), (20, 1010665341), (21, 962538420), (28, 721903815), (29, 697010580), (30, 673776894), (35, 577523052), (36, 561480745), (42, 481269210), (45, 449184596), (58, 348505290), (60, 336888447), (63, 320846140), (70, 288761526), (84, 240634605), (87, 232336860), (90, 224592298), (105, 192507684), (116, 174252645), (126, 160423070), (140, 144380763), (145, 139402116), (174, 116168430), (180, 112296149), (203, 99572940), (210, 96253842), (252, 80211535), (261, 77445620), (290, 69701058), (315, 64169228), (348, 58084215), (406, 49786470), (420, 48126921), (435, 46467372), (522, 38722810), (580, 34850529), (609, 33190980), (630, 32084614), (641, 31534020), (812, 24893235), (863, 23422140), (870, 23233686), (1015, 19914588), (1044, 19361405), (1218, 16595490), (1260, 16042307), (1282, 15767010), (1305, 15489124), (1726, 11711070), (1740, 11616843), (1827, 11063660), (1923, 10511340), (2030, 9957294), (2436, 8297745), (2564, 7883505), (2589, 7807380), (2610, 7744562), (3045, 6638196), (3205, 6306804), (3452, 5855535), (3654, 5531830), (3846, 5255670), (4060, 4978647), (4315, 4684428), (4487, 4504860), (5178, 3903690), (5220, 3872281), (5769, 3503780), (6041, 3346020), (6090, 3319098), (6410, 3153402), (7308, 2765915), (7692, 2627835), (7767, 2602460), (8630, 2342214), (8974, 2252430), (9135, 2212732), (9615, 2102268), (10356, 1951845), (11538, 1751890), (12082, 1673010), (12180, 1659549), (12820, 1576701), (12945, 1561476), (13461, 1501620), (15534, 1301230), (17260, 1171107), (17948, 1126215), (18123, 1115340), (18270, 1106366), (18589, 1087380), (19230, 1051134), (22435, 900972), (23076, 875945), (24164, 836505), (25027, 807660), (25890, 780738), (26922, 750810), (28845, 700756), (30205, 669204), (31068, 650615), (36246, 557670), (36540, 553183), (37178, 543690), (38460, 525567), (38835, 520492), (40383, 500540), (44870, 450486), (50054, 403830), (51780, 390369), (53844, 375405), (54369, 371780), (55767, 362460), (57690, 350378), (60410, 334602), (67305, 300324), (72492, 278835), (74356, 271845), (75081, 269220), (77670, 260246), (80766, 250270), (89740, 225243), (90615, 223068), (92945, 217476), (100108, 201915), (108738, 185890), (111534, 181230), (115380, 175189), (120820, 167301), (125135, 161532), (130123, 155340), (134610, 150162)]