20958108

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 30522468

約数列:

[1, 2, 3, 4, 6, 12, 31, 53, 62, 93, 106, 124, 159, 186, 212, 318, 372, 636, 1063, 1643, 2126, 3189, 3286, 4252, 4929, 6378, 6572, 9858, 12756, 19716, 32953, 56339, 65906, 98859, 112678, 131812, 169017, 197718, 225356, 338034, 395436, 676068, 1746509, 3493018, 5239527, 6986036, 10479054, 20958108]

約数ペア:

[(1, 20958108), (2, 10479054), (3, 6986036), (4, 5239527), (6, 3493018), (12, 1746509), (31, 676068), (53, 395436), (62, 338034), (93, 225356), (106, 197718), (124, 169017), (159, 131812), (186, 112678), (212, 98859), (318, 65906), (372, 56339), (636, 32953), (1063, 19716), (1643, 12756), (2126, 9858), (3189, 6572), (3286, 6378), (4252, 4929)]