20691960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172433}}^1$

素因数の和:172447

約数の個数: 32

約数和(自身を含む): 62076240

約数和(自身を除く): 41384280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172433, 344866, 517299, 689732, 862165, 1034598, 1379464, 1724330, 2069196, 2586495, 3448660, 4138392, 5172990, 6897320, 10345980, 20691960]

約数ペア:

[(1, 20691960), (2, 10345980), (3, 6897320), (4, 5172990), (5, 4138392), (6, 3448660), (8, 2586495), (10, 2069196), (12, 1724330), (15, 1379464), (20, 1034598), (24, 862165), (30, 689732), (40, 517299), (60, 344866), (120, 172433)]