20616665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4111}}^1$

素因数の和:4192

約数の個数: 16

約数和(自身を含む): 26645760

約数和(自身を除く): 6029095

約数列:

[1, 5, 17, 59, 85, 295, 1003, 4111, 5015, 20555, 69887, 242549, 349435, 1212745, 4123333, 20616665]

約数ペア:

[(1, 20616665), (5, 4123333), (17, 1212745), (59, 349435), (85, 242549), (295, 69887), (1003, 20555), (4111, 5015)]