20864925

素因数分解:

$3^3\times 5^2\times {\mathrm{30911}}^1$

素因数の和:30930

約数の個数: 24

約数和(自身を含む): 38330880

約数和(自身を除く): 17465955

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30911, 92733, 154555, 278199, 463665, 772775, 834597, 1390995, 2318325, 4172985, 6954975, 20864925]

約数ペア:

[(1, 20864925), (3, 6954975), (5, 4172985), (9, 2318325), (15, 1390995), (25, 834597), (27, 772775), (45, 463665), (75, 278199), (135, 154555), (225, 92733), (675, 30911)]