20803260664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1\times {\mathrm{7649}}^1$

素因数の和:8320

約数の個数: 64

約数和(自身を含む): 42549300000

約数和(自身を除く): 21746039336

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 617, 1102, 1234, 2204, 2468, 4408, 4936, 7649, 11723, 15298, 17893, 23446, 30596, 35786, 46892, 61192, 71572, 93784, 143144, 145331, 221821, 290662, 339967, 443642, 581324, 679934, 887284, 1162648, 1359868, 1774568, 2719736, 4214599, 4719433, 8429198, 9438866, 16858396, 18877732, 33716792, 37755464, 89669227, 136863557, 179338454, 273727114, 358676908, 547454228, 717353816, 1094908456, 2600407583, 5200815166, 10401630332, 20803260664]

約数ペア:

[(1, 20803260664), (2, 10401630332), (4, 5200815166), (8, 2600407583), (19, 1094908456), (29, 717353816), (38, 547454228), (58, 358676908), (76, 273727114), (116, 179338454), (152, 136863557), (232, 89669227), (551, 37755464), (617, 33716792), (1102, 18877732), (1234, 16858396), (2204, 9438866), (2468, 8429198), (4408, 4719433), (4936, 4214599), (7649, 2719736), (11723, 1774568), (15298, 1359868), (17893, 1162648), (23446, 887284), (30596, 679934), (35786, 581324), (46892, 443642), (61192, 339967), (71572, 290662), (93784, 221821), (143144, 145331)]