20971574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2791}}^1$

素因数の和:2840

約数の個数: 24

約数和(自身を含む): 36000048

約数和(自身を除く): 15028474

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2791, 3757, 5582, 7514, 36283, 47447, 72566, 94894, 616811, 806599, 1233622, 1613198, 10485787, 20971574]

約数ペア:

[(1, 20971574), (2, 10485787), (13, 1613198), (17, 1233622), (26, 806599), (34, 616811), (221, 94894), (289, 72566), (442, 47447), (578, 36283), (2791, 7514), (3757, 5582)]