20197780665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1\times {\mathrm{3257}}^1$

素因数の和:3658

約数の個数: 64

約数和(自身を含む): 34758533376

約数和(自身を除く): 14560752711

約数列:

[1, 3, 5, 15, 17, 51, 83, 85, 249, 255, 293, 415, 879, 1245, 1411, 1465, 3257, 4233, 4395, 4981, 7055, 9771, 14943, 16285, 21165, 24319, 24905, 48855, 55369, 72957, 74715, 121595, 166107, 270331, 276845, 364785, 413423, 810993, 830535, 954301, 1240269, 1351655, 2067115, 2862903, 4054965, 4595627, 4771505, 6201345, 13786881, 14314515, 16223117, 22978135, 48669351, 68934405, 79206983, 81115585, 237620949, 243346755, 396034915, 1188104745, 1346518711, 4039556133, 6732593555, 20197780665]

約数ペア:

[(1, 20197780665), (3, 6732593555), (5, 4039556133), (15, 1346518711), (17, 1188104745), (51, 396034915), (83, 243346755), (85, 237620949), (249, 81115585), (255, 79206983), (293, 68934405), (415, 48669351), (879, 22978135), (1245, 16223117), (1411, 14314515), (1465, 13786881), (3257, 6201345), (4233, 4771505), (4395, 4595627), (4981, 4054965), (7055, 2862903), (9771, 2067115), (14943, 1351655), (16285, 1240269), (21165, 954301), (24319, 830535), (24905, 810993), (48855, 413423), (55369, 364785), (72957, 276845), (74715, 270331), (121595, 166107)]