20493824

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3079}}^1$

素因数の和:3110

約数の個数: 40

約数和(自身を含む): 44111760

約数和(自身を除く): 23617936

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3079, 3328, 6158, 6656, 12316, 24632, 40027, 49264, 80054, 98528, 160108, 197056, 320216, 394112, 640432, 788224, 1280864, 1576448, 2561728, 5123456, 10246912, 20493824]

約数ペア:

[(1, 20493824), (2, 10246912), (4, 5123456), (8, 2561728), (13, 1576448), (16, 1280864), (26, 788224), (32, 640432), (52, 394112), (64, 320216), (104, 197056), (128, 160108), (208, 98528), (256, 80054), (416, 49264), (512, 40027), (832, 24632), (1664, 12316), (3079, 6656), (3328, 6158)]