20077820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143413}}^1$

素因数の和:143429

約数の個数: 24

約数和(自身を含む): 48187104

約数和(自身を除く): 28109284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143413, 286826, 573652, 717065, 1003891, 1434130, 2007782, 2868260, 4015564, 5019455, 10038910, 20077820]

約数ペア:

[(1, 20077820), (2, 10038910), (4, 5019455), (5, 4015564), (7, 2868260), (10, 2007782), (14, 1434130), (20, 1003891), (28, 717065), (35, 573652), (70, 286826), (140, 143413)]