13820465

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 17048016

約数和(自身を除く): 3227551

約数列:

[1, 5, 61, 113, 305, 401, 565, 2005, 6893, 24461, 34465, 45313, 122305, 226565, 2764093, 13820465]

約数ペア:

[(1, 13820465), (5, 2764093), (61, 226565), (113, 122305), (305, 45313), (401, 34465), (565, 24461), (2005, 6893)]