20775272

素因数分解:

$2^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1063}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 44688000

約数和(自身を除く): 23912728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 349, 698, 1063, 1396, 2126, 2443, 2792, 4252, 4886, 7441, 8504, 9772, 14882, 19544, 29764, 59528, 370987, 741974, 1483948, 2596909, 2967896, 5193818, 10387636, 20775272]

約数ペア:

[(1, 20775272), (2, 10387636), (4, 5193818), (7, 2967896), (8, 2596909), (14, 1483948), (28, 741974), (56, 370987), (349, 59528), (698, 29764), (1063, 19544), (1396, 14882), (2126, 9772), (2443, 8504), (2792, 7441), (4252, 4886)]