20025640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21767}}^1$

素因数の和:21801

約数の個数: 32

約数和(自身を含む): 47018880

約数和(自身を除く): 26993240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21767, 43534, 87068, 108835, 174136, 217670, 435340, 500641, 870680, 1001282, 2002564, 2503205, 4005128, 5006410, 10012820, 20025640]

約数ペア:

[(1, 20025640), (2, 10012820), (4, 5006410), (5, 4005128), (8, 2503205), (10, 2002564), (20, 1001282), (23, 870680), (40, 500641), (46, 435340), (92, 217670), (115, 174136), (184, 108835), (230, 87068), (460, 43534), (920, 21767)]