20139904

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6841}}^1$

素因数の和:6878

約数の個数: 32

約数和(自身を含む): 41873040

約数和(自身を除く): 21733136

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6841, 13682, 27364, 54728, 109456, 157343, 218912, 314686, 437824, 629372, 875648, 1258744, 2517488, 5034976, 10069952, 20139904]

約数ペア:

[(1, 20139904), (2, 10069952), (4, 5034976), (8, 2517488), (16, 1258744), (23, 875648), (32, 629372), (46, 437824), (64, 314686), (92, 218912), (128, 157343), (184, 109456), (368, 54728), (736, 27364), (1472, 13682), (2944, 6841)]