20838950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37889}}^1$

素因数の和:37912

約数の個数: 24

約数和(自身を含む): 42285240

約数和(自身を除く): 21446290

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37889, 75778, 189445, 378890, 416779, 833558, 947225, 1894450, 2083895, 4167790, 10419475, 20838950]

約数ペア:

[(1, 20838950), (2, 10419475), (5, 4167790), (10, 2083895), (11, 1894450), (22, 947225), (25, 833558), (50, 416779), (55, 378890), (110, 189445), (275, 75778), (550, 37889)]