20657965

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 4743635

約数列:

[1, 5, 59, 239, 293, 295, 1195, 1465, 14101, 17287, 70027, 70505, 86435, 350135, 4131593, 20657965]

約数ペア:

[(1, 20657965), (5, 4131593), (59, 350135), (239, 86435), (293, 70505), (295, 70027), (1195, 17287), (1465, 14101)]