20879078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41263}}^1$

素因数の和:41299

約数の個数: 16

約数和(自身を含む): 35652096

約数和(自身を除く): 14773018

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41263, 82526, 453893, 907786, 949049, 1898098, 10439539, 20879078]

約数ペア:

[(1, 20879078), (2, 10439539), (11, 1898098), (22, 949049), (23, 907786), (46, 453893), (253, 82526), (506, 41263)]