20869018

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{1069}}^1$

素因数の和:1341

約数の個数: 16

約数和(自身を含む): 32202720

約数和(自身を除く): 11333702

約数列:

[1, 2, 43, 86, 227, 454, 1069, 2138, 9761, 19522, 45967, 91934, 242663, 485326, 10434509, 20869018]

約数ペア:

[(1, 20869018), (2, 10434509), (43, 485326), (86, 242663), (227, 91934), (454, 45967), (1069, 19522), (2138, 9761)]