20100479992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:701

約数の個数: 128

約数和(自身を含む): 41982935040

約数和(自身を除く): 21882455048

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 71, 74, 127, 136, 142, 148, 254, 284, 296, 443, 508, 568, 629, 886, 1016, 1207, 1258, 1772, 2159, 2414, 2516, 2627, 3544, 4318, 4699, 4828, 5032, 5254, 7531, 8636, 9017, 9398, 9656, 10508, 15062, 16391, 17272, 18034, 18796, 21016, 30124, 31453, 32782, 36068, 37592, 44659, 56261, 60248, 62906, 65564, 72136, 79883, 89318, 112522, 125812, 131128, 153289, 159766, 178636, 225044, 251624, 278647, 306578, 319532, 333629, 357272, 450088, 534701, 557294, 613156, 639064, 667258, 956437, 1069402, 1114588, 1163761, 1226312, 1334516, 1912874, 2081657, 2138804, 2229176, 2327522, 2669032, 3825748, 3994531, 4163314, 4277608, 4655044, 5671693, 7651496, 7989062, 8326628, 9310088, 11343386, 15978124, 16653256, 19783937, 22686772, 31956248, 35388169, 39567874, 45373544, 67907027, 70776338, 79135748, 135814054, 141552676, 147797647, 158271496, 271628108, 283105352, 295595294, 543256216, 591190588, 1182381176, 2512559999, 5025119998, 10050239996, 20100479992]

約数ペア:

[(1, 20100479992), (2, 10050239996), (4, 5025119998), (8, 2512559999), (17, 1182381176), (34, 591190588), (37, 543256216), (68, 295595294), (71, 283105352), (74, 271628108), (127, 158271496), (136, 147797647), (142, 141552676), (148, 135814054), (254, 79135748), (284, 70776338), (296, 67907027), (443, 45373544), (508, 39567874), (568, 35388169), (629, 31956248), (886, 22686772), (1016, 19783937), (1207, 16653256), (1258, 15978124), (1772, 11343386), (2159, 9310088), (2414, 8326628), (2516, 7989062), (2627, 7651496), (3544, 5671693), (4318, 4655044), (4699, 4277608), (4828, 4163314), (5032, 3994531), (5254, 3825748), (7531, 2669032), (8636, 2327522), (9017, 2229176), (9398, 2138804), (9656, 2081657), (10508, 1912874), (15062, 1334516), (16391, 1226312), (17272, 1163761), (18034, 1114588), (18796, 1069402), (21016, 956437), (30124, 667258), (31453, 639064), (32782, 613156), (36068, 557294), (37592, 534701), (44659, 450088), (56261, 357272), (60248, 333629), (62906, 319532), (65564, 306578), (72136, 278647), (79883, 251624), (89318, 225044), (112522, 178636), (125812, 159766), (131128, 153289)]