20650535

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 25576320

約数和(自身を除く): 4925785

約数列:

[1, 5, 43, 139, 215, 691, 695, 3455, 5977, 29713, 29885, 96049, 148565, 480245, 4130107, 20650535]

約数ペア:

[(1, 20650535), (5, 4130107), (43, 480245), (139, 148565), (215, 96049), (691, 29885), (695, 29713), (3455, 5977)]