20139800

素因数分解:

$2^3\times 5^2\times {\mathrm{100699}}^1$

素因数の和:100715

約数の個数: 24

約数和(自身を含む): 46825500

約数和(自身を除く): 26685700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100699, 201398, 402796, 503495, 805592, 1006990, 2013980, 2517475, 4027960, 5034950, 10069900, 20139800]

約数ペア:

[(1, 20139800), (2, 10069900), (4, 5034950), (5, 4027960), (8, 2517475), (10, 2013980), (20, 1006990), (25, 805592), (40, 503495), (50, 402796), (100, 201398), (200, 100699)]