20801157021

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{55823}}^1$

素因数の和:56242

約数の個数: 32

約数和(自身を含む): 31734827520

約数和(自身を除く): 10933670499

約数列:

[1, 3, 9, 27, 37, 111, 333, 373, 999, 1119, 3357, 10071, 13801, 41403, 55823, 124209, 167469, 372627, 502407, 1507221, 2065451, 6196353, 18589059, 20821979, 55767177, 62465937, 187397811, 562193433, 770413223, 2311239669, 6933719007, 20801157021]

約数ペア:

[(1, 20801157021), (3, 6933719007), (9, 2311239669), (27, 770413223), (37, 562193433), (111, 187397811), (333, 62465937), (373, 55767177), (999, 20821979), (1119, 18589059), (3357, 6196353), (10071, 2065451), (13801, 1507221), (41403, 502407), (55823, 372627), (124209, 167469)]