20152880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22901}}^1$

素因数の和:22925

約数の個数: 40

約数和(自身を含む): 51117264

約数和(自身を除く): 30964384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22901, 45802, 91604, 114505, 183208, 229010, 251911, 366416, 458020, 503822, 916040, 1007644, 1259555, 1832080, 2015288, 2519110, 4030576, 5038220, 10076440, 20152880]

約数ペア:

[(1, 20152880), (2, 10076440), (4, 5038220), (5, 4030576), (8, 2519110), (10, 2015288), (11, 1832080), (16, 1259555), (20, 1007644), (22, 916040), (40, 503822), (44, 458020), (55, 366416), (80, 251911), (88, 229010), (110, 183208), (176, 114505), (220, 91604), (440, 45802), (880, 22901)]