20348260

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5881}}^1$

素因数の和:6063

約数の個数: 24

約数和(自身を含む): 42985656

約数和(自身を除く): 22637396

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5881, 11762, 23524, 29405, 58810, 117620, 1017413, 2034826, 4069652, 5087065, 10174130, 20348260]

約数ペア:

[(1, 20348260), (2, 10174130), (4, 5087065), (5, 4069652), (10, 2034826), (20, 1017413), (173, 117620), (346, 58810), (692, 29405), (865, 23524), (1730, 11762), (3460, 5881)]