204432220

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{30881}}^1$

素因数の和:31221

約数の個数: 24

約数和(自身を含む): 430618608

約数和(自身を除く): 226186388

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 30881, 61762, 123524, 154405, 308810, 617620, 10221611, 20443222, 40886444, 51108055, 102216110, 204432220]

約数ペア:

[(1, 204432220), (2, 102216110), (4, 51108055), (5, 40886444), (10, 20443222), (20, 10221611), (331, 617620), (662, 308810), (1324, 154405), (1655, 123524), (3310, 61762), (6620, 30881)]