20009272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{881}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 19998248

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 167, 334, 668, 881, 1336, 1762, 2839, 3524, 5678, 7048, 11356, 14977, 22712, 29954, 59908, 119816, 147127, 294254, 588508, 1177016, 2501159, 5002318, 10004636, 20009272]

約数ペア:

[(1, 20009272), (2, 10004636), (4, 5002318), (8, 2501159), (17, 1177016), (34, 588508), (68, 294254), (136, 147127), (167, 119816), (334, 59908), (668, 29954), (881, 22712), (1336, 14977), (1762, 11356), (2839, 7048), (3524, 5678)]