20698184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199021}}^1$

素因数の和:199040

約数の個数: 16

約数和(自身を含む): 41794620

約数和(自身を除く): 21096436

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199021, 398042, 796084, 1592168, 2587273, 5174546, 10349092, 20698184]

約数ペア:

[(1, 20698184), (2, 10349092), (4, 5174546), (8, 2587273), (13, 1592168), (26, 796084), (52, 398042), (104, 199021)]