20761210323

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4641451}}^1$

素因数の和:4641535

約数の個数: 24

約数和(自身を含む): 34755192576

約数和(自身を除く): 13993982253

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4641451, 13924353, 32490157, 41773059, 97470471, 292411413, 329543021, 988629063, 2306801147, 2965887189, 6920403441, 20761210323]

約数ペア:

[(1, 20761210323), (3, 6920403441), (7, 2965887189), (9, 2306801147), (21, 988629063), (63, 329543021), (71, 292411413), (213, 97470471), (497, 41773059), (639, 32490157), (1491, 13924353), (4473, 4641451)]