20120231

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 21998304

約数和(自身を除く): 1878073

約数列:

[1, 17, 53, 137, 163, 901, 2329, 2771, 7261, 8639, 22331, 123437, 146863, 379627, 1183543, 20120231]

約数ペア:

[(1, 20120231), (17, 1183543), (53, 379627), (137, 146863), (163, 123437), (901, 22331), (2329, 8639), (2771, 7261)]