20735416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199379}}^1$

素因数の和:199398

約数の個数: 16

約数和(自身を含む): 41869800

約数和(自身を除く): 21134384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199379, 398758, 797516, 1595032, 2591927, 5183854, 10367708, 20735416]

約数ペア:

[(1, 20735416), (2, 10367708), (4, 5183854), (8, 2591927), (13, 1595032), (26, 797516), (52, 398758), (104, 199379)]