20269678

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 17938562

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 121, 143, 187, 221, 242, 286, 374, 379, 442, 758, 1573, 2057, 2431, 3146, 4114, 4169, 4862, 4927, 6443, 8338, 9854, 12886, 26741, 45859, 53482, 54197, 70873, 83759, 91718, 108394, 141746, 167518, 596167, 779603, 921349, 1192334, 1559206, 1842698, 10134839, 20269678]

約数ペア:

[(1, 20269678), (2, 10134839), (11, 1842698), (13, 1559206), (17, 1192334), (22, 921349), (26, 779603), (34, 596167), (121, 167518), (143, 141746), (187, 108394), (221, 91718), (242, 83759), (286, 70873), (374, 54197), (379, 53482), (442, 45859), (758, 26741), (1573, 12886), (2057, 9854), (2431, 8338), (3146, 6443), (4114, 4927), (4169, 4862)]