20554180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44683}}^1$

素因数の和:44715

約数の個数: 24

約数和(自身を含む): 45041472

約数和(自身を除く): 24487292

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44683, 89366, 178732, 223415, 446830, 893660, 1027709, 2055418, 4110836, 5138545, 10277090, 20554180]

約数ペア:

[(1, 20554180), (2, 10277090), (4, 5138545), (5, 4110836), (10, 2055418), (20, 1027709), (23, 893660), (46, 446830), (92, 223415), (115, 178732), (230, 89366), (460, 44683)]