20180251

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1051}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 24978688

約数和(自身を除く): 4798437

約数列:

[1, 7, 13, 91, 211, 1051, 1477, 2743, 7357, 13663, 19201, 95641, 221761, 1552327, 2882893, 20180251]

約数ペア:

[(1, 20180251), (7, 2882893), (13, 1552327), (91, 221761), (211, 95641), (1051, 19201), (1477, 13663), (2743, 7357)]