20194193680

素因数分解:

$2^4\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{237467}}^1$

素因数の和:238543

約数の個数: 40

約数和(自身を含む): 46995867072

約数和(自身を除く): 26801673392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1063, 2126, 4252, 5315, 8504, 10630, 17008, 21260, 42520, 85040, 237467, 474934, 949868, 1187335, 1899736, 2374670, 3799472, 4749340, 9498680, 18997360, 252427421, 504854842, 1009709684, 1262137105, 2019419368, 2524274210, 4038838736, 5048548420, 10097096840, 20194193680]

約数ペア:

[(1, 20194193680), (2, 10097096840), (4, 5048548420), (5, 4038838736), (8, 2524274210), (10, 2019419368), (16, 1262137105), (20, 1009709684), (40, 504854842), (80, 252427421), (1063, 18997360), (2126, 9498680), (4252, 4749340), (5315, 3799472), (8504, 2374670), (10630, 1899736), (17008, 1187335), (21260, 949868), (42520, 474934), (85040, 237467)]