20392244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1069}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 37749600

約数和(自身を除く): 17357356

約数列:

[1, 2, 4, 19, 38, 76, 251, 502, 1004, 1069, 2138, 4276, 4769, 9538, 19076, 20311, 40622, 81244, 268319, 536638, 1073276, 5098061, 10196122, 20392244]

約数ペア:

[(1, 20392244), (2, 10196122), (4, 5098061), (19, 1073276), (38, 536638), (76, 268319), (251, 81244), (502, 40622), (1004, 20311), (1069, 19076), (2138, 9538), (4276, 4769)]