20502960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85429}}^1$

素因数の和:85445

約数の個数: 40

約数和(自身を含む): 63559920

約数和(自身を除く): 43056960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85429, 170858, 256287, 341716, 427145, 512574, 683432, 854290, 1025148, 1281435, 1366864, 1708580, 2050296, 2562870, 3417160, 4100592, 5125740, 6834320, 10251480, 20502960]

約数ペア:

[(1, 20502960), (2, 10251480), (3, 6834320), (4, 5125740), (5, 4100592), (6, 3417160), (8, 2562870), (10, 2050296), (12, 1708580), (15, 1366864), (16, 1281435), (20, 1025148), (24, 854290), (30, 683432), (40, 512574), (48, 427145), (60, 341716), (80, 256287), (120, 170858), (240, 85429)]