20480068

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1993}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 41092352

約数和(自身を除く): 20612284

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 1993, 2569, 3986, 5138, 7972, 10276, 13951, 27902, 55804, 731431, 1462862, 2925724, 5120017, 10240034, 20480068]

約数ペア:

[(1, 20480068), (2, 10240034), (4, 5120017), (7, 2925724), (14, 1462862), (28, 731431), (367, 55804), (734, 27902), (1468, 13951), (1993, 10276), (2569, 7972), (3986, 5138)]