20708031

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2081}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 28781568

約数和(自身を除く): 8073537

約数列:

[1, 3, 31, 93, 107, 321, 2081, 3317, 6243, 9951, 64511, 193533, 222667, 668001, 6902677, 20708031]

約数ペア:

[(1, 20708031), (3, 6902677), (31, 668001), (93, 222667), (107, 193533), (321, 64511), (2081, 9951), (3317, 6243)]