20538089

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 25740288

約数和(自身を除く): 5202199

約数列:

[1, 11, 13, 31, 41, 113, 143, 341, 403, 451, 533, 1243, 1271, 1469, 3503, 4433, 4633, 5863, 13981, 16159, 16523, 38533, 45539, 50963, 60229, 143623, 181753, 500929, 662519, 1579853, 1867099, 20538089]

約数ペア:

[(1, 20538089), (11, 1867099), (13, 1579853), (31, 662519), (41, 500929), (113, 181753), (143, 143623), (341, 60229), (403, 50963), (451, 45539), (533, 38533), (1243, 16523), (1271, 16159), (1469, 13981), (3503, 5863), (4433, 4633)]