22338020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15731}}^1$

素因数の和:15811

約数の個数: 24

約数和(自身を含む): 47573568

約数和(自身を除く): 25235548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15731, 31462, 62924, 78655, 157310, 314620, 1116901, 2233802, 4467604, 5584505, 11169010, 22338020]

約数ペア:

[(1, 22338020), (2, 11169010), (4, 5584505), (5, 4467604), (10, 2233802), (20, 1116901), (71, 314620), (142, 157310), (284, 78655), (355, 62924), (710, 31462), (1420, 15731)]