20720988

素因数分解:

$2^2\times 3^3\times {\mathrm{191861}}^1$

素因数の和:191874

約数の個数: 24

約数和(自身を含む): 53721360

約数和(自身を除く): 33000372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 191861, 383722, 575583, 767444, 1151166, 1726749, 2302332, 3453498, 5180247, 6906996, 10360494, 20720988]

約数ペア:

[(1, 20720988), (2, 10360494), (3, 6906996), (4, 5180247), (6, 3453498), (9, 2302332), (12, 1726749), (18, 1151166), (27, 767444), (36, 575583), (54, 383722), (108, 191861)]