1804420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 3838464

約数和(自身を除く): 2034044

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1087, 1660, 2174, 4348, 5435, 10870, 21740, 90221, 180442, 360884, 451105, 902210, 1804420]

約数ペア:

[(1, 1804420), (2, 902210), (4, 451105), (5, 360884), (10, 180442), (20, 90221), (83, 21740), (166, 10870), (332, 5435), (415, 4348), (830, 2174), (1087, 1660)]