20214855

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2129}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 35221680

約数和(自身を除く): 15006825

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2129, 3165, 6387, 9495, 10645, 19161, 31935, 95805, 449219, 1347657, 2246095, 4042971, 6738285, 20214855]

約数ペア:

[(1, 20214855), (3, 6738285), (5, 4042971), (9, 2246095), (15, 1347657), (45, 449219), (211, 95805), (633, 31935), (1055, 19161), (1899, 10645), (2129, 9495), (3165, 6387)]