20690450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37619}}^1$

素因数の和:37642

約数の個数: 24

約数和(自身を含む): 41983920

約数和(自身を除く): 21293470

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37619, 75238, 188095, 376190, 413809, 827618, 940475, 1880950, 2069045, 4138090, 10345225, 20690450]

約数ペア:

[(1, 20690450), (2, 10345225), (5, 4138090), (10, 2069045), (11, 1880950), (22, 940475), (25, 827618), (50, 413809), (55, 376190), (110, 188095), (275, 75238), (550, 37619)]