20887908

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{11087}}^1$

素因数の和:11251

約数の個数: 24

約数和(自身を含む): 49053312

約数和(自身を除く): 28165404

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11087, 22174, 33261, 44348, 66522, 133044, 1740659, 3481318, 5221977, 6962636, 10443954, 20887908]

約数ペア:

[(1, 20887908), (2, 10443954), (3, 6962636), (4, 5221977), (6, 3481318), (12, 1740659), (157, 133044), (314, 66522), (471, 44348), (628, 33261), (942, 22174), (1884, 11087)]