20575899

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{743}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 31685472

約数和(自身を除く): 11109573

約数列:

[1, 3, 9, 17, 51, 153, 181, 543, 743, 1629, 2229, 3077, 6687, 9231, 12631, 27693, 37893, 113679, 134483, 403449, 1210347, 2286211, 6858633, 20575899]

約数ペア:

[(1, 20575899), (3, 6858633), (9, 2286211), (17, 1210347), (51, 403449), (153, 134483), (181, 113679), (543, 37893), (743, 27693), (1629, 12631), (2229, 9231), (3077, 6687)]