20071640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21817}}^1$

素因数の和:21851

約数の個数: 32

約数和(自身を含む): 47126880

約数和(自身を除く): 27055240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21817, 43634, 87268, 109085, 174536, 218170, 436340, 501791, 872680, 1003582, 2007164, 2508955, 4014328, 5017910, 10035820, 20071640]

約数ペア:

[(1, 20071640), (2, 10035820), (4, 5017910), (5, 4014328), (8, 2508955), (10, 2007164), (20, 1003582), (23, 872680), (40, 501791), (46, 436340), (92, 218170), (115, 174536), (184, 109085), (230, 87268), (460, 43634), (920, 21817)]