20976131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 23831808

約数和(自身を除く): 2855677

約数列:

[1, 11, 43, 61, 473, 671, 727, 2623, 7997, 28853, 31261, 44347, 343871, 487817, 1906921, 20976131]

約数ペア:

[(1, 20976131), (11, 1906921), (43, 487817), (61, 343871), (473, 44347), (671, 31261), (727, 28853), (2623, 7997)]