20203775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 26810784

約数和(自身を除く): 6607009

約数列:

[1, 5, 23, 25, 41, 115, 205, 575, 857, 943, 1025, 4285, 4715, 19711, 21425, 23575, 35137, 98555, 175685, 492775, 808151, 878425, 4040755, 20203775]

約数ペア:

[(1, 20203775), (5, 4040755), (23, 878425), (25, 808151), (41, 492775), (115, 175685), (205, 98555), (575, 35137), (857, 23575), (943, 21425), (1025, 19711), (4285, 4715)]