20661626

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10259}}^1$

素因数の和:10333

約数の個数: 16

約数和(自身を含む): 33242400

約数和(自身を除く): 12580774

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10259, 20518, 194921, 389842, 543727, 1087454, 10330813, 20661626]

約数ペア:

[(1, 20661626), (2, 10330813), (19, 1087454), (38, 543727), (53, 389842), (106, 194921), (1007, 20518), (2014, 10259)]