20812798

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1423}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 31988736

約数和(自身を除く): 11175938

約数列:

[1, 2, 71, 103, 142, 206, 1423, 2846, 7313, 14626, 101033, 146569, 202066, 293138, 10406399, 20812798]

約数ペア:

[(1, 20812798), (2, 10406399), (71, 293138), (103, 202066), (142, 146569), (206, 101033), (1423, 14626), (2846, 7313)]