20957595

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9377}}^1$

素因数の和:9534

約数の個数: 16

約数和(自身を含む): 33760800

約数和(自身を除く): 12803205

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9377, 28131, 46885, 140655, 1397173, 4191519, 6985865, 20957595]

約数ペア:

[(1, 20957595), (3, 6985865), (5, 4191519), (15, 1397173), (149, 140655), (447, 46885), (745, 28131), (2235, 9377)]