20215132

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17609}}^1$

素因数の和:17661

約数の個数: 24

約数和(自身を含む): 41418720

約数和(自身を除く): 21203588

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17609, 35218, 70436, 123263, 246526, 493052, 721969, 1443938, 2887876, 5053783, 10107566, 20215132]

約数ペア:

[(1, 20215132), (2, 10107566), (4, 5053783), (7, 2887876), (14, 1443938), (28, 721969), (41, 493052), (82, 246526), (164, 123263), (287, 70436), (574, 35218), (1148, 17609)]