20672578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8329}}^1$

素因数の和:8421

約数の個数: 16

約数和(自身を含む): 33286680

約数和(自身を除く): 12614102

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8329, 16658, 141593, 283186, 608017, 1216034, 10336289, 20672578]

約数ペア:

[(1, 20672578), (2, 10336289), (17, 1216034), (34, 608017), (73, 283186), (146, 141593), (1241, 16658), (2482, 8329)]