20383505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 4897135

約数列:

[1, 5, 43, 113, 215, 565, 839, 4195, 4859, 24295, 36077, 94807, 180385, 474035, 4076701, 20383505]

約数ペア:

[(1, 20383505), (5, 4076701), (43, 474035), (113, 180385), (215, 94807), (565, 36077), (839, 24295), (4195, 4859)]