20896385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{683}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 26101440

約数和(自身を除く): 5205055

約数列:

[1, 5, 29, 145, 211, 683, 1055, 3415, 6119, 19807, 30595, 99035, 144113, 720565, 4179277, 20896385]

約数ペア:

[(1, 20896385), (5, 4179277), (29, 720565), (145, 144113), (211, 99035), (683, 30595), (1055, 19807), (3415, 6119)]