20901812

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2857}}^1$

素因数の和:2951

約数の個数: 24

約数和(自身を含む): 38411520

約数和(自身を除く): 17509708

約数列:

[1, 2, 4, 31, 59, 62, 118, 124, 236, 1829, 2857, 3658, 5714, 7316, 11428, 88567, 168563, 177134, 337126, 354268, 674252, 5225453, 10450906, 20901812]

約数ペア:

[(1, 20901812), (2, 10450906), (4, 5225453), (31, 674252), (59, 354268), (62, 337126), (118, 177134), (124, 168563), (236, 88567), (1829, 11428), (2857, 7316), (3658, 5714)]