20613505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2861}}^1$

素因数の和:3008

約数の個数: 16

約数和(自身を含む): 27200448

約数和(自身を除く): 6586943

約数列:

[1, 5, 11, 55, 131, 655, 1441, 2861, 7205, 14305, 31471, 157355, 374791, 1873955, 4122701, 20613505]

約数ペア:

[(1, 20613505), (5, 4122701), (11, 1873955), (55, 374791), (131, 157355), (655, 31471), (1441, 14305), (2861, 7205)]