20159204513

素因数分解:

$7^3\times {\mathrm{491}}^1\times {\mathrm{119701}}^1$

素因数の和:120213

約数の個数: 16

約数和(自身を含む): 23557353600

約数和(自身を除く): 3398149087

約数列:

[1, 7, 49, 343, 491, 3437, 24059, 119701, 168413, 837907, 5865349, 41057443, 58773191, 411412337, 2879886359, 20159204513]

約数ペア:

[(1, 20159204513), (7, 2879886359), (49, 411412337), (343, 58773191), (491, 41057443), (3437, 5865349), (24059, 837907), (119701, 168413)]