20504354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8861}}^1$

素因数の和:8965

約数の個数: 16

約数和(自身を含む): 33498360

約数和(自身を除く): 12994006

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8861, 17722, 115193, 230386, 788629, 1577258, 10252177, 20504354]

約数ペア:

[(1, 20504354), (2, 10252177), (13, 1577258), (26, 788629), (89, 230386), (178, 115193), (1157, 17722), (2314, 8861)]