20215692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{80221}}^1$

素因数の和:80238

約数の個数: 36

約数和(自身を含む): 58401616

約数和(自身を除く): 38185924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 80221, 160442, 240663, 320884, 481326, 561547, 721989, 962652, 1123094, 1443978, 1684641, 2246188, 2887956, 3369282, 5053923, 6738564, 10107846, 20215692]

約数ペア:

[(1, 20215692), (2, 10107846), (3, 6738564), (4, 5053923), (6, 3369282), (7, 2887956), (9, 2246188), (12, 1684641), (14, 1443978), (18, 1123094), (21, 962652), (28, 721989), (36, 561547), (42, 481326), (63, 320884), (84, 240663), (126, 160442), (252, 80221)]