20804501205

素因数分解:

$3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{919}}^1\times {\mathrm{1033}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 36209521920

約数和(自身を除く): 15405020715

約数列:

[1, 3, 5, 9, 15, 45, 487, 919, 1033, 1461, 2435, 2757, 3099, 4383, 4595, 5165, 7305, 8271, 9297, 13785, 15495, 21915, 41355, 46485, 447553, 503071, 949327, 1342659, 1509213, 2237765, 2515355, 2847981, 4027977, 4527639, 4746635, 6713295, 7546065, 8543943, 14239905, 20139885, 22638195, 42719715, 462322249, 1386966747, 2311611245, 4160900241, 6934833735, 20804501205]

約数ペア:

[(1, 20804501205), (3, 6934833735), (5, 4160900241), (9, 2311611245), (15, 1386966747), (45, 462322249), (487, 42719715), (919, 22638195), (1033, 20139885), (1461, 14239905), (2435, 8543943), (2757, 7546065), (3099, 6713295), (4383, 4746635), (4595, 4527639), (5165, 4027977), (7305, 2847981), (8271, 2515355), (9297, 2237765), (13785, 1509213), (15495, 1342659), (21915, 949327), (41355, 503071), (46485, 447553)]