20734989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4217}}^1$

素因数の和:4380

約数の個数: 16

約数和(自身を含む): 30369600

約数和(自身を除く): 9634611

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4217, 4917, 12651, 46387, 139161, 628333, 1884999, 6911663, 20734989]

約数ペア:

[(1, 20734989), (3, 6911663), (11, 1884999), (33, 628333), (149, 139161), (447, 46387), (1639, 12651), (4217, 4917)]