20179222020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{61631}}^1$

素因数の和:61770

約数の個数: 144

約数和(自身を含む): 65417683968

約数和(自身を除く): 45238461948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 107, 153, 170, 180, 204, 214, 255, 306, 321, 340, 428, 510, 535, 612, 642, 765, 963, 1020, 1070, 1284, 1530, 1605, 1819, 1926, 2140, 3060, 3210, 3638, 3852, 4815, 5457, 6420, 7276, 9095, 9630, 10914, 16371, 18190, 19260, 21828, 27285, 32742, 36380, 54570, 61631, 65484, 81855, 109140, 123262, 163710, 184893, 246524, 308155, 327420, 369786, 554679, 616310, 739572, 924465, 1047727, 1109358, 1232620, 1848930, 2095454, 2218716, 2773395, 3143181, 3697860, 4190908, 5238635, 5546790, 6286362, 6594517, 9429543, 10477270, 11093580, 12572724, 13189034, 15715905, 18859086, 19783551, 20954540, 26378068, 31431810, 32972585, 37718172, 39567102, 47147715, 59350653, 62863620, 65945170, 79134204, 94295430, 98917755, 112106789, 118701306, 131890340, 188590860, 197835510, 224213578, 237402612, 296753265, 336320367, 395671020, 448427156, 560533945, 593506530, 672640734, 1008961101, 1121067890, 1187013060, 1345281468, 1681601835, 2017922202, 2242135780, 3363203670, 4035844404, 5044805505, 6726407340, 10089611010, 20179222020]

約数ペア:

[(1, 20179222020), (2, 10089611010), (3, 6726407340), (4, 5044805505), (5, 4035844404), (6, 3363203670), (9, 2242135780), (10, 2017922202), (12, 1681601835), (15, 1345281468), (17, 1187013060), (18, 1121067890), (20, 1008961101), (30, 672640734), (34, 593506530), (36, 560533945), (45, 448427156), (51, 395671020), (60, 336320367), (68, 296753265), (85, 237402612), (90, 224213578), (102, 197835510), (107, 188590860), (153, 131890340), (170, 118701306), (180, 112106789), (204, 98917755), (214, 94295430), (255, 79134204), (306, 65945170), (321, 62863620), (340, 59350653), (428, 47147715), (510, 39567102), (535, 37718172), (612, 32972585), (642, 31431810), (765, 26378068), (963, 20954540), (1020, 19783551), (1070, 18859086), (1284, 15715905), (1530, 13189034), (1605, 12572724), (1819, 11093580), (1926, 10477270), (2140, 9429543), (3060, 6594517), (3210, 6286362), (3638, 5546790), (3852, 5238635), (4815, 4190908), (5457, 3697860), (6420, 3143181), (7276, 2773395), (9095, 2218716), (9630, 2095454), (10914, 1848930), (16371, 1232620), (18190, 1109358), (19260, 1047727), (21828, 924465), (27285, 739572), (32742, 616310), (36380, 554679), (54570, 369786), (61631, 327420), (65484, 308155), (81855, 246524), (109140, 184893), (123262, 163710)]