20158416100

素因数分解:

$2^2\times 5^2\times {\mathrm{201584161}}^1$

素因数の和:201584175

約数の個数: 18

約数和(自身を含む): 43743763154

約数和(自身を除く): 23585347054

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201584161, 403168322, 806336644, 1007920805, 2015841610, 4031683220, 5039604025, 10079208050, 20158416100]

約数ペア:

[(1, 20158416100), (2, 10079208050), (4, 5039604025), (5, 4031683220), (10, 2015841610), (20, 1007920805), (25, 806336644), (50, 403168322), (100, 201584161)]