20286812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55733}}^1$

素因数の和:55757

約数の個数: 24

約数和(自身を含む): 43695456

約数和(自身を除く): 23408644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55733, 111466, 222932, 390131, 724529, 780262, 1449058, 1560524, 2898116, 5071703, 10143406, 20286812]

約数ペア:

[(1, 20286812), (2, 10143406), (4, 5071703), (7, 2898116), (13, 1560524), (14, 1449058), (26, 780262), (28, 724529), (52, 390131), (91, 222932), (182, 111466), (364, 55733)]