20455418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7537}}^1$

素因数の和:7621

約数の個数: 16

約数和(自身を含む): 32564160

約数和(自身を除く): 12108742

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7537, 15074, 173351, 346702, 444683, 889366, 10227709, 20455418]

約数ペア:

[(1, 20455418), (2, 10227709), (23, 889366), (46, 444683), (59, 346702), (118, 173351), (1357, 15074), (2714, 7537)]