20515174

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1949}}^1$

素因数の和:2247

約数の個数: 16

約数和(自身を含む): 32526000

約数和(自身を除く): 12010826

約数列:

[1, 2, 19, 38, 277, 554, 1949, 3898, 5263, 10526, 37031, 74062, 539873, 1079746, 10257587, 20515174]

約数ペア:

[(1, 20515174), (2, 10257587), (19, 1079746), (38, 539873), (277, 74062), (554, 37031), (1949, 10526), (3898, 5263)]