20675931

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1571}}^1$

素因数の和:1722

約数の個数: 16

約数和(自身を含む): 28522368

約数和(自身を除く): 7846437

約数列:

[1, 3, 41, 107, 123, 321, 1571, 4387, 4713, 13161, 64411, 168097, 193233, 504291, 6891977, 20675931]

約数ペア:

[(1, 20675931), (3, 6891977), (41, 504291), (107, 193233), (123, 168097), (321, 64411), (1571, 13161), (4387, 4713)]