20156131

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22183200

約数和(自身を除く): 2027069

約数列:

[1, 19, 29, 157, 233, 551, 2983, 4427, 4553, 6757, 36581, 86507, 128383, 695039, 1060849, 20156131]

約数ペア:

[(1, 20156131), (19, 1060849), (29, 695039), (157, 128383), (233, 86507), (551, 36581), (2983, 6757), (4427, 4553)]