20461360

素因数分解:

$2^4\times 5^1\times {\mathrm{255767}}^1$

素因数の和:255780

約数の個数: 20

約数和(自身を含む): 47572848

約数和(自身を除く): 27111488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255767, 511534, 1023068, 1278835, 2046136, 2557670, 4092272, 5115340, 10230680, 20461360]

約数ペア:

[(1, 20461360), (2, 10230680), (4, 5115340), (5, 4092272), (8, 2557670), (10, 2046136), (16, 1278835), (20, 1023068), (40, 511534), (80, 255767)]