20106728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 19205272

約数列:

[1, 2, 4, 8, 41, 59, 82, 118, 164, 236, 328, 472, 1039, 2078, 2419, 4156, 4838, 8312, 9676, 19352, 42599, 61301, 85198, 122602, 170396, 245204, 340792, 490408, 2513341, 5026682, 10053364, 20106728]

約数ペア:

[(1, 20106728), (2, 10053364), (4, 5026682), (8, 2513341), (41, 490408), (59, 340792), (82, 245204), (118, 170396), (164, 122602), (236, 85198), (328, 61301), (472, 42599), (1039, 19352), (2078, 9676), (2419, 8312), (4156, 4838)]