20483855

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8243}}^1$

素因数の和:8326

約数の個数: 16

約数和(自身を含む): 28491264

約数和(自身を除く): 8007409

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8243, 41215, 57701, 288505, 585253, 2926265, 4096771, 20483855]

約数ペア:

[(1, 20483855), (5, 4096771), (7, 2926265), (35, 585253), (71, 288505), (355, 57701), (497, 41215), (2485, 8243)]