827889220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1009621}}^1$

素因数の和:1009671

約数の個数: 24

約数和(自身を含む): 1780973208

約数和(自身を除く): 953083988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1009621, 2019242, 4038484, 5048105, 10096210, 20192420, 41394461, 82788922, 165577844, 206972305, 413944610, 827889220]

約数ペア:

[(1, 827889220), (2, 413944610), (4, 206972305), (5, 165577844), (10, 82788922), (20, 41394461), (41, 20192420), (82, 10096210), (164, 5048105), (205, 4038484), (410, 2019242), (820, 1009621)]