20921602

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1867}}^1$

素因数の和:2313

約数の個数: 16

約数和(自身を含む): 33892992

約数和(自身を除く): 12971390

約数列:

[1, 2, 13, 26, 431, 862, 1867, 3734, 5603, 11206, 24271, 48542, 804677, 1609354, 10460801, 20921602]

約数ペア:

[(1, 20921602), (2, 10460801), (13, 1609354), (26, 804677), (431, 48542), (862, 24271), (1867, 11206), (3734, 5603)]