20815282319

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2864357}}^1$

素因数の和:2864426

約数の個数: 12

約数和(自身を含む): 23063810616

約数和(自身を除く): 2248528297

約数列:

[1, 13, 43, 169, 559, 7267, 2864357, 37236641, 123167351, 484076333, 1601175563, 20815282319]

約数ペア:

[(1, 20815282319), (13, 1601175563), (43, 484076333), (169, 123167351), (559, 37236641), (7267, 2864357)]