20456233

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 24159744

約数和(自身を除く): 3703511

約数列:

[1, 7, 47, 97, 329, 641, 679, 4487, 4559, 30127, 31913, 62177, 210889, 435239, 2922319, 20456233]

約数ペア:

[(1, 20456233), (7, 2922319), (47, 435239), (97, 210889), (329, 62177), (641, 31913), (679, 30127), (4487, 4559)]