20622250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7499}}^1$

素因数の和:7527

約数の個数: 32

約数和(自身を含む): 42120000

約数和(自身を除く): 21497750

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7499, 14998, 37495, 74990, 82489, 164978, 187475, 374950, 412445, 824890, 937375, 1874750, 2062225, 4124450, 10311125, 20622250]

約数ペア:

[(1, 20622250), (2, 10311125), (5, 4124450), (10, 2062225), (11, 1874750), (22, 937375), (25, 824890), (50, 412445), (55, 374950), (110, 187475), (125, 164978), (250, 82489), (275, 74990), (550, 37495), (1375, 14998), (2750, 7499)]