20578138

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3559}}^1$

素因数の和:3634

約数の個数: 24

約数和(自身を含む): 36525600

約数和(自身を除く): 15947462

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 413, 826, 2891, 3559, 5782, 7118, 24913, 49826, 174391, 209981, 348782, 419962, 1469867, 2939734, 10289069, 20578138]

約数ペア:

[(1, 20578138), (2, 10289069), (7, 2939734), (14, 1469867), (49, 419962), (59, 348782), (98, 209981), (118, 174391), (413, 49826), (826, 24913), (2891, 7118), (3559, 5782)]