20492260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53927}}^1$

素因数の和:53955

約数の個数: 24

約数和(自身を含む): 45299520

約数和(自身を除く): 24807260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53927, 107854, 215708, 269635, 539270, 1024613, 1078540, 2049226, 4098452, 5123065, 10246130, 20492260]

約数ペア:

[(1, 20492260), (2, 10246130), (4, 5123065), (5, 4098452), (10, 2049226), (19, 1078540), (20, 1024613), (38, 539270), (76, 269635), (95, 215708), (190, 107854), (380, 53927)]