20998088

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{3121}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 40788930

約数和(自身を除く): 19790842

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 841, 1682, 3121, 3364, 6242, 6728, 12484, 24968, 90509, 181018, 362036, 724072, 2624761, 5249522, 10499044, 20998088]

約数ペア:

[(1, 20998088), (2, 10499044), (4, 5249522), (8, 2624761), (29, 724072), (58, 362036), (116, 181018), (232, 90509), (841, 24968), (1682, 12484), (3121, 6728), (3364, 6242)]