20820478921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1\times {\mathrm{43541}}^1$

素因数の和:45080

約数の個数: 16

約数和(自身を含む): 23512680000

約数和(自身を除く): 2692201079

約数列:

[1, 11, 29, 319, 1499, 16489, 43471, 43541, 478181, 478951, 1262689, 13889579, 65267959, 717947549, 1892770811, 20820478921]

約数ペア:

[(1, 20820478921), (11, 1892770811), (29, 717947549), (319, 65267959), (1499, 13889579), (16489, 1262689), (43471, 478951), (43541, 478181)]