20541258

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4211}}^1$

素因数の和:4490

約数の個数: 24

約数和(自身を含む): 44680896

約数和(自身を除く): 24139638

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4211, 4878, 8422, 12633, 25266, 37899, 75798, 1141181, 2282362, 3423543, 6847086, 10270629, 20541258]

約数ペア:

[(1, 20541258), (2, 10270629), (3, 6847086), (6, 3423543), (9, 2282362), (18, 1141181), (271, 75798), (542, 37899), (813, 25266), (1626, 12633), (2439, 8422), (4211, 4878)]