20845244

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5683}}^1$

素因数の和:5825

約数の個数: 24

約数和(自身を含む): 42016128

約数和(自身を除く): 21170884

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5683, 11366, 22732, 39781, 79562, 159124, 744473, 1488946, 2977892, 5211311, 10422622, 20845244]

約数ペア:

[(1, 20845244), (2, 10422622), (4, 5211311), (7, 2977892), (14, 1488946), (28, 744473), (131, 159124), (262, 79562), (524, 39781), (917, 22732), (1834, 11366), (3668, 5683)]