20073209

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 23279760

約数和(自身を除く): 3206551

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1489, 13481, 19357, 25313, 90829, 329069, 1180777, 1544093, 20073209]

約数ペア:

[(1, 20073209), (13, 1544093), (17, 1180777), (61, 329069), (221, 90829), (793, 25313), (1037, 19357), (1489, 13481)]