20380022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18229}}^1$

素因数の和:18287

約数の個数: 16

約数和(自身を含む): 33689040

約数和(自身を除く): 13309018

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18229, 36458, 236977, 473954, 783847, 1567694, 10190011, 20380022]

約数ペア:

[(1, 20380022), (2, 10190011), (13, 1567694), (26, 783847), (43, 473954), (86, 236977), (559, 36458), (1118, 18229)]