20974923

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45697}}^1$

素因数の和:45723

約数の個数: 16

約数和(自身を含む): 32902560

約数和(自身を除く): 11927637

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45697, 137091, 411273, 776849, 1233819, 2330547, 6991641, 20974923]

約数ペア:

[(1, 20974923), (3, 6991641), (9, 2330547), (17, 1233819), (27, 776849), (51, 411273), (153, 137091), (459, 45697)]