20174193

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{641}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 31547880

約数和(自身を除く): 11373687

約数列:

[1, 3, 9, 13, 39, 117, 269, 641, 807, 1923, 2421, 3497, 5769, 8333, 10491, 24999, 31473, 74997, 172429, 517287, 1551861, 2241577, 6724731, 20174193]

約数ペア:

[(1, 20174193), (3, 6724731), (9, 2241577), (13, 1551861), (39, 517287), (117, 172429), (269, 74997), (641, 31473), (807, 24999), (1923, 10491), (2421, 8333), (3497, 5769)]