13820780

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1499}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 29106000

約数和(自身を除く): 15285220

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1499, 1844, 2305, 2998, 4610, 5996, 7495, 9220, 14990, 29980, 691039, 1382078, 2764156, 3455195, 6910390, 13820780]

約数ペア:

[(1, 13820780), (2, 6910390), (4, 3455195), (5, 2764156), (10, 1382078), (20, 691039), (461, 29980), (922, 14990), (1499, 9220), (1844, 7495), (2305, 5996), (2998, 4610)]