20295849

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1367}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 31814208

約数和(自身を除く): 11518359

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 1367, 2121, 4101, 4949, 9569, 14847, 28707, 66983, 138067, 200949, 414201, 966469, 2899407, 6765283, 20295849]

約数ペア:

[(1, 20295849), (3, 6765283), (7, 2899407), (21, 966469), (49, 414201), (101, 200949), (147, 138067), (303, 66983), (707, 28707), (1367, 14847), (2121, 9569), (4101, 4949)]