20239154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 24

約数和(自身を含む): 33551532

約数和(自身を除く): 13312378

約数列:

[1, 2, 13, 26, 43, 86, 421, 559, 842, 1118, 1849, 3698, 5473, 10946, 18103, 24037, 36206, 48074, 235339, 470678, 778429, 1556858, 10119577, 20239154]

約数ペア:

[(1, 20239154), (2, 10119577), (13, 1556858), (26, 778429), (43, 470678), (86, 235339), (421, 48074), (559, 36206), (842, 24037), (1118, 18103), (1849, 10946), (3698, 5473)]