20554864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116789}}^1$

素因数の和:116808

約数の個数: 20

約数和(自身を含む): 43445880

約数和(自身を除く): 22891016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116789, 233578, 467156, 934312, 1284679, 1868624, 2569358, 5138716, 10277432, 20554864]

約数ペア:

[(1, 20554864), (2, 10277432), (4, 5138716), (8, 2569358), (11, 1868624), (16, 1284679), (22, 934312), (44, 467156), (88, 233578), (176, 116789)]