20120690840

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{701}}^1\times {\mathrm{1163}}^1$

素因数の和:2492

約数の個数: 64

約数和(自身を含む): 45448659360

約数和(自身を除く): 25327968520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 701, 1163, 1234, 1402, 2326, 2468, 2804, 3085, 3505, 4652, 4936, 5608, 5815, 6170, 7010, 9304, 11630, 12340, 14020, 23260, 24680, 28040, 46520, 432517, 717571, 815263, 865034, 1435142, 1630526, 1730068, 2162585, 2870284, 3261052, 3460136, 3587855, 4076315, 4325170, 5740568, 6522104, 7175710, 8152630, 8650340, 14351420, 16305260, 17300680, 28702840, 32610520, 503017271, 1006034542, 2012069084, 2515086355, 4024138168, 5030172710, 10060345420, 20120690840]

約数ペア:

[(1, 20120690840), (2, 10060345420), (4, 5030172710), (5, 4024138168), (8, 2515086355), (10, 2012069084), (20, 1006034542), (40, 503017271), (617, 32610520), (701, 28702840), (1163, 17300680), (1234, 16305260), (1402, 14351420), (2326, 8650340), (2468, 8152630), (2804, 7175710), (3085, 6522104), (3505, 5740568), (4652, 4325170), (4936, 4076315), (5608, 3587855), (5815, 3460136), (6170, 3261052), (7010, 2870284), (9304, 2162585), (11630, 1730068), (12340, 1630526), (14020, 1435142), (23260, 865034), (24680, 815263), (28040, 717571), (46520, 432517)]