20456631

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19427}}^1$

素因数の和:19452

約数の個数: 20

約数和(自身を含む): 32911032

約数和(自身を除く): 12454401

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19427, 58281, 174843, 252551, 524529, 757653, 1573587, 2272959, 6818877, 20456631]

約数ペア:

[(1, 20456631), (3, 6818877), (9, 2272959), (13, 1573587), (27, 757653), (39, 524529), (81, 252551), (117, 174843), (351, 58281), (1053, 19427)]