20189533

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11677}}^1$

素因数の和:11716

約数の個数: 16

約数和(自身を含む): 26158720

約数和(自身を除く): 5969187

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11677, 81739, 151801, 221863, 1062607, 1553041, 2884219, 20189533]

約数ペア:

[(1, 20189533), (7, 2884219), (13, 1553041), (19, 1062607), (91, 221863), (133, 151801), (247, 81739), (1729, 11677)]