20852212

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{499}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 37856000

約数和(自身を除く): 17003788

約数列:

[1, 2, 4, 31, 62, 124, 337, 499, 674, 998, 1348, 1996, 10447, 15469, 20894, 30938, 41788, 61876, 168163, 336326, 672652, 5213053, 10426106, 20852212]

約数ペア:

[(1, 20852212), (2, 10426106), (4, 5213053), (31, 672652), (62, 336326), (124, 168163), (337, 61876), (499, 41788), (674, 30938), (998, 20894), (1348, 15469), (1996, 10447)]