20980682

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 32011200

約数和(自身を除く): 11030518

約数列:

[1, 2, 89, 178, 311, 379, 622, 758, 27679, 33731, 55358, 67462, 117869, 235738, 10490341, 20980682]

約数ペア:

[(1, 20980682), (2, 10490341), (89, 235738), (178, 117869), (311, 67462), (379, 55358), (622, 33731), (758, 27679)]