20718638643

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{1153}}^1\times {\mathrm{43721}}^1$

素因数の和:45014

約数の個数: 16

約数和(自身を含む): 27851263776

約数和(自身を除く): 7132625133

約数列:

[1, 3, 137, 411, 1153, 3459, 43721, 131163, 157961, 473883, 5989777, 17969331, 50410313, 151230939, 6906212881, 20718638643]

約数ペア:

[(1, 20718638643), (3, 6906212881), (137, 151230939), (411, 50410313), (1153, 17969331), (3459, 5989777), (43721, 473883), (131163, 157961)]