20543430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{991}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 49425408

約数和(自身を除く): 28881978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 691, 991, 1382, 1982, 2073, 2973, 3455, 4146, 4955, 5946, 6910, 9910, 10365, 14865, 20730, 29730, 684781, 1369562, 2054343, 3423905, 4108686, 6847810, 10271715, 20543430]

約数ペア:

[(1, 20543430), (2, 10271715), (3, 6847810), (5, 4108686), (6, 3423905), (10, 2054343), (15, 1369562), (30, 684781), (691, 29730), (991, 20730), (1382, 14865), (1982, 10365), (2073, 9910), (2973, 6910), (3455, 5946), (4146, 4955)]