16620565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1061}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 21588336

約数和(自身を除く): 4967771

約数列:

[1, 5, 13, 65, 241, 1061, 1205, 3133, 5305, 13793, 15665, 68965, 255701, 1278505, 3324113, 16620565]

約数ペア:

[(1, 16620565), (5, 3324113), (13, 1278505), (65, 255701), (241, 68965), (1061, 15665), (1205, 13793), (3133, 5305)]