20761282145

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{149249}}^1$

素因数の和:149944

約数の個数: 16

約数和(自身を含む): 25532496000

約数和(自身を除く): 4771213855

約数列:

[1, 5, 43, 215, 647, 3235, 27821, 139105, 149249, 746245, 6417707, 32088535, 96564103, 482820515, 4152256429, 20761282145]

約数ペア:

[(1, 20761282145), (5, 4152256429), (43, 482820515), (215, 96564103), (647, 32088535), (3235, 6417707), (27821, 746245), (139105, 149249)]