20895800

素因数分解:

$2^3\times 5^2\times {\mathrm{104479}}^1$

素因数の和:104495

約数の個数: 24

約数和(自身を含む): 48583200

約数和(自身を除く): 27687400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104479, 208958, 417916, 522395, 835832, 1044790, 2089580, 2611975, 4179160, 5223950, 10447900, 20895800]

約数ペア:

[(1, 20895800), (2, 10447900), (4, 5223950), (5, 4179160), (8, 2611975), (10, 2089580), (20, 1044790), (25, 835832), (40, 522395), (50, 417916), (100, 208958), (200, 104479)]