20153325

素因数分解:

$3^1\times 5^2\times {\mathrm{379}}^1\times {\mathrm{709}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 33455200

約数和(自身を除く): 13301875

約数列:

[1, 3, 5, 15, 25, 75, 379, 709, 1137, 1895, 2127, 3545, 5685, 9475, 10635, 17725, 28425, 53175, 268711, 806133, 1343555, 4030665, 6717775, 20153325]

約数ペア:

[(1, 20153325), (3, 6717775), (5, 4030665), (15, 1343555), (25, 806133), (75, 268711), (379, 53175), (709, 28425), (1137, 17725), (1895, 10635), (2127, 9475), (3545, 5685)]