20581503

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12451}}^1$

素因数の和:12502

約数の個数: 16

約数和(自身を含む): 29884800

約数和(自身を除く): 9303297

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12451, 37353, 236569, 361079, 709707, 1083237, 6860501, 20581503]

約数ペア:

[(1, 20581503), (3, 6860501), (19, 1083237), (29, 709707), (57, 361079), (87, 236569), (551, 37353), (1653, 12451)]