20014575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 38449920

約数和(自身を除く): 18435345

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 67, 75, 105, 175, 201, 335, 469, 525, 569, 1005, 1407, 1675, 1707, 2345, 2845, 3983, 5025, 7035, 8535, 11725, 11949, 14225, 19915, 35175, 38123, 42675, 59745, 99575, 114369, 190615, 266861, 298725, 571845, 800583, 953075, 1334305, 2859225, 4002915, 6671525, 20014575]

約数ペア:

[(1, 20014575), (3, 6671525), (5, 4002915), (7, 2859225), (15, 1334305), (21, 953075), (25, 800583), (35, 571845), (67, 298725), (75, 266861), (105, 190615), (175, 114369), (201, 99575), (335, 59745), (469, 42675), (525, 38123), (569, 35175), (1005, 19915), (1407, 14225), (1675, 11949), (1707, 11725), (2345, 8535), (2845, 7035), (3983, 5025)]