20929610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160997}}^1$

素因数の和:161017

約数の個数: 16

約数和(自身を含む): 40571496

約数和(自身を除く): 19641886

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160997, 321994, 804985, 1609970, 2092961, 4185922, 10464805, 20929610]

約数ペア:

[(1, 20929610), (2, 10464805), (5, 4185922), (10, 2092961), (13, 1609970), (26, 804985), (65, 321994), (130, 160997)]