20684178

素因数分解:

$2^1\times 3^2\times {\mathrm{479}}^1\times {\mathrm{2399}}^1$

素因数の和:2886

約数の個数: 24

約数和(自身を含む): 44928000

約数和(自身を除く): 24243822

約数列:

[1, 2, 3, 6, 9, 18, 479, 958, 1437, 2399, 2874, 4311, 4798, 7197, 8622, 14394, 21591, 43182, 1149121, 2298242, 3447363, 6894726, 10342089, 20684178]

約数ペア:

[(1, 20684178), (2, 10342089), (3, 6894726), (6, 3447363), (9, 2298242), (18, 1149121), (479, 43182), (958, 21591), (1437, 14394), (2399, 8622), (2874, 7197), (4311, 4798)]