20618285

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5327635

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2339, 8815, 11695, 95899, 100577, 479495, 502885, 4123657, 20618285]

約数ペア:

[(1, 20618285), (5, 4123657), (41, 502885), (43, 479495), (205, 100577), (215, 95899), (1763, 11695), (2339, 8815)]