20918930940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{27109}}^1$

素因数の和:28556

約数の個数: 96

約数和(自身を含む): 65129064000

約数和(自身を除く): 44210133060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1429, 2858, 4287, 5716, 7145, 8574, 12861, 14290, 17148, 21435, 25722, 27109, 28580, 38583, 42870, 51444, 54218, 64305, 77166, 81327, 85740, 108436, 128610, 135545, 154332, 162654, 192915, 243981, 257220, 271090, 325308, 385830, 406635, 487962, 542180, 731943, 771660, 813270, 975924, 1219905, 1463886, 1626540, 2439810, 2927772, 3659715, 4879620, 7319430, 14638860, 38738761, 77477522, 116216283, 154955044, 193693805, 232432566, 348648849, 387387610, 464865132, 581081415, 697297698, 774775220, 1045946547, 1162162830, 1394595396, 1743244245, 2091893094, 2324325660, 3486488490, 4183786188, 5229732735, 6972976980, 10459465470, 20918930940]

約数ペア:

[(1, 20918930940), (2, 10459465470), (3, 6972976980), (4, 5229732735), (5, 4183786188), (6, 3486488490), (9, 2324325660), (10, 2091893094), (12, 1743244245), (15, 1394595396), (18, 1162162830), (20, 1045946547), (27, 774775220), (30, 697297698), (36, 581081415), (45, 464865132), (54, 387387610), (60, 348648849), (90, 232432566), (108, 193693805), (135, 154955044), (180, 116216283), (270, 77477522), (540, 38738761), (1429, 14638860), (2858, 7319430), (4287, 4879620), (5716, 3659715), (7145, 2927772), (8574, 2439810), (12861, 1626540), (14290, 1463886), (17148, 1219905), (21435, 975924), (25722, 813270), (27109, 771660), (28580, 731943), (38583, 542180), (42870, 487962), (51444, 406635), (54218, 385830), (64305, 325308), (77166, 271090), (81327, 257220), (85740, 243981), (108436, 192915), (128610, 162654), (135545, 154332)]