20657630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6863}}^1$

素因数の和:6920

約数の個数: 32

約数和(自身を含む): 43490304

約数和(自身を除く): 22832674

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6863, 13726, 34315, 48041, 68630, 96082, 240205, 295109, 480410, 590218, 1475545, 2065763, 2951090, 4131526, 10328815, 20657630]

約数ペア:

[(1, 20657630), (2, 10328815), (5, 4131526), (7, 2951090), (10, 2065763), (14, 1475545), (35, 590218), (43, 480410), (70, 295109), (86, 240205), (215, 96082), (301, 68630), (430, 48041), (602, 34315), (1505, 13726), (3010, 6863)]