20636220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31267}}^1$

素因数の和:31290

約数の個数: 48

約数和(自身を含む): 63036288

約数和(自身を除く): 42400068

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31267, 62534, 93801, 125068, 156335, 187602, 312670, 343937, 375204, 469005, 625340, 687874, 938010, 1031811, 1375748, 1719685, 1876020, 2063622, 3439370, 4127244, 5159055, 6878740, 10318110, 20636220]

約数ペア:

[(1, 20636220), (2, 10318110), (3, 6878740), (4, 5159055), (5, 4127244), (6, 3439370), (10, 2063622), (11, 1876020), (12, 1719685), (15, 1375748), (20, 1031811), (22, 938010), (30, 687874), (33, 625340), (44, 469005), (55, 375204), (60, 343937), (66, 312670), (110, 187602), (132, 156335), (165, 125068), (220, 93801), (330, 62534), (660, 31267)]