2020697780

素因数分解:

$2^2\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{56857}}^1$

素因数の和:58643

約数の個数: 24

約数和(自身を含む): 4245928008

約数和(自身を除く): 2225230228

約数列:

[1, 2, 4, 5, 10, 20, 1777, 3554, 7108, 8885, 17770, 35540, 56857, 113714, 227428, 284285, 568570, 1137140, 101034889, 202069778, 404139556, 505174445, 1010348890, 2020697780]

約数ペア:

[(1, 2020697780), (2, 1010348890), (4, 505174445), (5, 404139556), (10, 202069778), (20, 101034889), (1777, 1137140), (3554, 568570), (7108, 284285), (8885, 227428), (17770, 113714), (35540, 56857)]