20121947783

素因数分解:

$7^1\times {\mathrm{857}}^1\times {\mathrm{1319}}^1\times {\mathrm{2543}}^1$

素因数の和:4726

約数の個数: 16

約数和(自身を含む): 23049861120

約数和(自身を除く): 2927913337

約数列:

[1, 7, 857, 1319, 2543, 5999, 9233, 17801, 1130383, 2179351, 3354217, 7912681, 15255457, 23479519, 2874563969, 20121947783]

約数ペア:

[(1, 20121947783), (7, 2874563969), (857, 23479519), (1319, 15255457), (2543, 7912681), (5999, 3354217), (9233, 2179351), (17801, 1130383)]