19825420

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3167}}^1$

素因数の和:3489

約数の個数: 24

約数和(自身を含む): 41779584

約数和(自身を除く): 21954164

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3167, 6260, 6334, 12668, 15835, 31670, 63340, 991271, 1982542, 3965084, 4956355, 9912710, 19825420]

約数ペア:

[(1, 19825420), (2, 9912710), (4, 4956355), (5, 3965084), (10, 1982542), (20, 991271), (313, 63340), (626, 31670), (1252, 15835), (1565, 12668), (3130, 6334), (3167, 6260)]