20287189

素因数分解:

${\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 22422400

約数和(自身を除く): 2135211

約数列:

[1, 13, 103, 109, 139, 1339, 1417, 1807, 11227, 14317, 15151, 145951, 186121, 196963, 1560553, 20287189]

約数ペア:

[(1, 20287189), (13, 1560553), (103, 196963), (109, 186121), (139, 145951), (1339, 15151), (1417, 14317), (1807, 11227)]