20647404

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9721}}^1$

素因数の和:9790

約数の個数: 36

約数和(自身を含む): 53082120

約数和(自身を除く): 32434716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9721, 19442, 29163, 38884, 58326, 87489, 116652, 174978, 349956, 573539, 1147078, 1720617, 2294156, 3441234, 5161851, 6882468, 10323702, 20647404]

約数ペア:

[(1, 20647404), (2, 10323702), (3, 6882468), (4, 5161851), (6, 3441234), (9, 2294156), (12, 1720617), (18, 1147078), (36, 573539), (59, 349956), (118, 174978), (177, 116652), (236, 87489), (354, 58326), (531, 38884), (708, 29163), (1062, 19442), (2124, 9721)]