20173949577

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{5351}}^1\times {\mathrm{13513}}^1$

素因数の和:18901

約数の個数: 24

約数和(自身を含む): 30088002048

約数和(自身を除く): 9914052471

約数列:

[1, 3, 9, 31, 93, 279, 5351, 13513, 16053, 40539, 48159, 121617, 165881, 418903, 497643, 1256709, 1492929, 3770127, 72308063, 216924189, 650772567, 2241549953, 6724649859, 20173949577]

約数ペア:

[(1, 20173949577), (3, 6724649859), (9, 2241549953), (31, 650772567), (93, 216924189), (279, 72308063), (5351, 3770127), (13513, 1492929), (16053, 1256709), (40539, 497643), (48159, 418903), (121617, 165881)]