20080221

素因数分解:

$3^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{1237}}^1$

素因数の和:2020

約数の個数: 16

約数和(自身を含む): 30662784

約数和(自身を除く): 10582563

約数列:

[1, 3, 7, 21, 773, 1237, 2319, 3711, 5411, 8659, 16233, 25977, 956201, 2868603, 6693407, 20080221]

約数ペア:

[(1, 20080221), (3, 6693407), (7, 2868603), (21, 956201), (773, 25977), (1237, 16233), (2319, 8659), (3711, 5411)]