20123488090

素因数分解:

$2^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{2679559}}^1$

素因数の和:2680317

約数の個数: 16

約数和(自身を含む): 36270524160

約数和(自身を除く): 16147036070

約数列:

[1, 2, 5, 10, 751, 1502, 3755, 7510, 2679559, 5359118, 13397795, 26795590, 2012348809, 4024697618, 10061744045, 20123488090]

約数ペア:

[(1, 20123488090), (2, 10061744045), (5, 4024697618), (10, 2012348809), (751, 26795590), (1502, 13397795), (3755, 5359118), (7510, 2679559)]