20502911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 24902640

約数和(自身を除く): 4399729

約数列:

[1, 11, 13, 41, 143, 169, 269, 451, 533, 1859, 2959, 3497, 5863, 6929, 11029, 38467, 45461, 76219, 121319, 143377, 500071, 1577147, 1863901, 20502911]

約数ペア:

[(1, 20502911), (11, 1863901), (13, 1577147), (41, 500071), (143, 143377), (169, 121319), (269, 76219), (451, 45461), (533, 38467), (1859, 11029), (2959, 6929), (3497, 5863)]