20284996

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 36620640

約数和(自身を除く): 16335644

約数列:

[1, 2, 4, 41, 82, 164, 179, 358, 691, 716, 1382, 2764, 7339, 14678, 28331, 29356, 56662, 113324, 123689, 247378, 494756, 5071249, 10142498, 20284996]

約数ペア:

[(1, 20284996), (2, 10142498), (4, 5071249), (41, 494756), (82, 247378), (164, 123689), (179, 113324), (358, 56662), (691, 29356), (716, 28331), (1382, 14678), (2764, 7339)]