20992180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95419}}^1$

素因数の和:95439

約数の個数: 24

約数和(自身を含む): 48091680

約数和(自身を除く): 27099500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95419, 190838, 381676, 477095, 954190, 1049609, 1908380, 2099218, 4198436, 5248045, 10496090, 20992180]

約数ペア:

[(1, 20992180), (2, 10496090), (4, 5248045), (5, 4198436), (10, 2099218), (11, 1908380), (20, 1049609), (22, 954190), (44, 477095), (55, 381676), (110, 190838), (220, 95419)]