20803984

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24533}}^1$

素因数の和:24594

約数の個数: 20

約数和(自身を含む): 41069916

約数和(自身を除く): 20265932

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24533, 49066, 98132, 196264, 392528, 1300249, 2600498, 5200996, 10401992, 20803984]

約数ペア:

[(1, 20803984), (2, 10401992), (4, 5200996), (8, 2600498), (16, 1300249), (53, 392528), (106, 196264), (212, 98132), (424, 49066), (848, 24533)]