20729607

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 28756992

約数和(自身を除く): 8027385

約数列:

[1, 3, 31, 93, 137, 411, 1627, 4247, 4881, 12741, 50437, 151311, 222899, 668697, 6909869, 20729607]

約数ペア:

[(1, 20729607), (3, 6909869), (31, 668697), (93, 222899), (137, 151311), (411, 50437), (1627, 12741), (4247, 4881)]