20520461

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 22758960

約数和(自身を除く): 2238499

約数列:

[1, 13, 61, 113, 229, 793, 1469, 2977, 6893, 13969, 25877, 89609, 181597, 336401, 1578497, 20520461]

約数ペア:

[(1, 20520461), (13, 1578497), (61, 336401), (113, 181597), (229, 89609), (793, 25877), (1469, 13969), (2977, 6893)]