20767505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16417}}^1$

素因数の和:16456

約数の個数: 16

約数和(自身を含む): 28370304

約数和(自身を除く): 7602799

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 16417, 82085, 180587, 377591, 902935, 1887955, 4153501, 20767505]

約数ペア:

[(1, 20767505), (5, 4153501), (11, 1887955), (23, 902935), (55, 377591), (115, 180587), (253, 82085), (1265, 16417)]