20179904

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4441}}^1$

素因数の和:4524

約数の個数: 28

約数和(自身を含む): 40617648

約数和(自身を除く): 20437744

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4441, 4544, 8882, 17764, 35528, 71056, 142112, 284224, 315311, 630622, 1261244, 2522488, 5044976, 10089952, 20179904]

約数ペア:

[(1, 20179904), (2, 10089952), (4, 5044976), (8, 2522488), (16, 1261244), (32, 630622), (64, 315311), (71, 284224), (142, 142112), (284, 71056), (568, 35528), (1136, 17764), (2272, 8882), (4441, 4544)]