20940543

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 32956560

約数和(自身を除く): 12016017

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 2011, 3471, 6033, 10413, 18099, 26143, 78429, 178979, 235287, 536937, 1610811, 2326727, 6980181, 20940543]

約数ペア:

[(1, 20940543), (3, 6980181), (9, 2326727), (13, 1610811), (39, 536937), (89, 235287), (117, 178979), (267, 78429), (801, 26143), (1157, 18099), (2011, 10413), (3471, 6033)]