20105091

素因数分解:

$3^7\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 31291200

約数和(自身を除く): 11186109

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 317, 729, 783, 951, 2187, 2349, 2853, 7047, 8559, 9193, 21141, 25677, 27579, 63423, 77031, 82737, 231093, 248211, 693279, 744633, 2233899, 6701697, 20105091]

約数ペア:

[(1, 20105091), (3, 6701697), (9, 2233899), (27, 744633), (29, 693279), (81, 248211), (87, 231093), (243, 82737), (261, 77031), (317, 63423), (729, 27579), (783, 25677), (951, 21141), (2187, 9193), (2349, 8559), (2853, 7047)]