20448200

素因数分解:

$2^3\times 5^2\times {\mathrm{102241}}^1$

素因数の和:102257

約数の個数: 24

約数和(自身を含む): 47542530

約数和(自身を除く): 27094330

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102241, 204482, 408964, 511205, 817928, 1022410, 2044820, 2556025, 4089640, 5112050, 10224100, 20448200]

約数ペア:

[(1, 20448200), (2, 10224100), (4, 5112050), (5, 4089640), (8, 2556025), (10, 2044820), (20, 1022410), (25, 817928), (40, 511205), (50, 408964), (100, 204482), (200, 102241)]