20458615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2437}}^1$

素因数の和:2538

約数の個数: 16

約数和(自身を含む): 25979328

約数和(自身を除く): 5520713

約数列:

[1, 5, 23, 73, 115, 365, 1679, 2437, 8395, 12185, 56051, 177901, 280255, 889505, 4091723, 20458615]

約数ペア:

[(1, 20458615), (5, 4091723), (23, 889505), (73, 280255), (115, 177901), (365, 56051), (1679, 12185), (2437, 8395)]