20773689

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 28815360

約数和(自身を除く): 8041671

約数列:

[1, 3, 31, 93, 139, 417, 1607, 4309, 4821, 12927, 49817, 149451, 223373, 670119, 6924563, 20773689]

約数ペア:

[(1, 20773689), (3, 6924563), (31, 670119), (93, 223373), (139, 149451), (417, 49817), (1607, 12927), (4309, 4821)]