20973320

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8887}}^1$

素因数の和:8957

約数の個数: 32

約数和(自身を含む): 47995200

約数和(自身を除く): 27021880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8887, 17774, 35548, 44435, 71096, 88870, 177740, 355480, 524333, 1048666, 2097332, 2621665, 4194664, 5243330, 10486660, 20973320]

約数ペア:

[(1, 20973320), (2, 10486660), (4, 5243330), (5, 4194664), (8, 2621665), (10, 2097332), (20, 1048666), (40, 524333), (59, 355480), (118, 177740), (236, 88870), (295, 71096), (472, 44435), (590, 35548), (1180, 17774), (2360, 8887)]