20435985

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6221}}^1$

素因数の和:6305

約数の個数: 24

約数和(自身を含む): 35913384

約数和(自身を除く): 15477399

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6221, 18663, 31105, 55989, 93315, 279945, 454133, 1362399, 2270665, 4087197, 6811995, 20435985]

約数ペア:

[(1, 20435985), (3, 6811995), (5, 4087197), (9, 2270665), (15, 1362399), (45, 454133), (73, 279945), (219, 93315), (365, 55989), (657, 31105), (1095, 18663), (3285, 6221)]