20285584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115259}}^1$

素因数の和:115278

約数の個数: 20

約数和(自身を含む): 42876720

約数和(自身を除く): 22591136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115259, 230518, 461036, 922072, 1267849, 1844144, 2535698, 5071396, 10142792, 20285584]

約数ペア:

[(1, 20285584), (2, 10142792), (4, 5071396), (8, 2535698), (11, 1844144), (16, 1267849), (22, 922072), (44, 461036), (88, 230518), (176, 115259)]