20975800

素因数分解:

$2^3\times 5^2\times {\mathrm{104879}}^1$

素因数の和:104895

約数の個数: 24

約数和(自身を含む): 48769200

約数和(自身を除く): 27793400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104879, 209758, 419516, 524395, 839032, 1048790, 2097580, 2621975, 4195160, 5243950, 10487900, 20975800]

約数ペア:

[(1, 20975800), (2, 10487900), (4, 5243950), (5, 4195160), (8, 2621975), (10, 2097580), (20, 1048790), (25, 839032), (40, 524395), (50, 419516), (100, 209758), (200, 104879)]