20013328

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6481}}^1$

素因数の和:6682

約数の個数: 20

約数和(自身を含む): 38982748

約数和(自身を除く): 18969420

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6481, 12962, 25924, 51848, 103696, 1250833, 2501666, 5003332, 10006664, 20013328]

約数ペア:

[(1, 20013328), (2, 10006664), (4, 5003332), (8, 2501666), (16, 1250833), (193, 103696), (386, 51848), (772, 25924), (1544, 12962), (3088, 6481)]