20405388

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{8059}}^1$

素因数の和:8277

約数の個数: 24

約数和(自身を含む): 47844160

約数和(自身を除く): 27438772

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 8059, 16118, 24177, 32236, 48354, 96708, 1700449, 3400898, 5101347, 6801796, 10202694, 20405388]

約数ペア:

[(1, 20405388), (2, 10202694), (3, 6801796), (4, 5101347), (6, 3400898), (12, 1700449), (211, 96708), (422, 48354), (633, 32236), (844, 24177), (1266, 16118), (2532, 8059)]