20905863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1171}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 30490752

約数和(自身を除く): 9584889

約数列:

[1, 3, 11, 33, 541, 1171, 1623, 3513, 5951, 12881, 17853, 38643, 633511, 1900533, 6968621, 20905863]

約数ペア:

[(1, 20905863), (3, 6968621), (11, 1900533), (33, 633511), (541, 38643), (1171, 17853), (1623, 12881), (3513, 5951)]