20116655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1786

約数の個数: 16

約数和(自身を含む): 26145504

約数和(自身を除く): 6028849

約数列:

[1, 5, 13, 65, 197, 985, 1571, 2561, 7855, 12805, 20423, 102115, 309487, 1547435, 4023331, 20116655]

約数ペア:

[(1, 20116655), (5, 4023331), (13, 1547435), (65, 309487), (197, 102115), (985, 20423), (1571, 12805), (2561, 7855)]