20863791

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59441}}^1$

素因数の和:59463

約数の個数: 16

約数和(自身を含む): 33287520

約数和(自身を除く): 12423729

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59441, 178323, 534969, 772733, 1604907, 2318199, 6954597, 20863791]

約数ペア:

[(1, 20863791), (3, 6954597), (9, 2318199), (13, 1604907), (27, 772733), (39, 534969), (117, 178323), (351, 59441)]