20215874

素因数分解:

$2^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1279}}^1$

素因数の和:2417

約数の個数: 16

約数和(自身を含む): 34713600

約数和(自身を除く): 14497726

約数列:

[1, 2, 7, 14, 1129, 1279, 2258, 2558, 7903, 8953, 15806, 17906, 1443991, 2887982, 10107937, 20215874]

約数ペア:

[(1, 20215874), (2, 10107937), (7, 2887982), (14, 1443991), (1129, 17906), (1279, 15806), (2258, 8953), (2558, 7903)]