20617110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{827}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 53863056

約数和(自身を除く): 33245946

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 277, 554, 827, 831, 1385, 1654, 1662, 2481, 2493, 2770, 4135, 4155, 4962, 4986, 7443, 8270, 8310, 12405, 12465, 14886, 24810, 24930, 37215, 74430, 229079, 458158, 687237, 1145395, 1374474, 2061711, 2290790, 3436185, 4123422, 6872370, 10308555, 20617110]

約数ペア:

[(1, 20617110), (2, 10308555), (3, 6872370), (5, 4123422), (6, 3436185), (9, 2290790), (10, 2061711), (15, 1374474), (18, 1145395), (30, 687237), (45, 458158), (90, 229079), (277, 74430), (554, 37215), (827, 24930), (831, 24810), (1385, 14886), (1654, 12465), (1662, 12405), (2481, 8310), (2493, 8270), (2770, 7443), (4135, 4986), (4155, 4962)]