20011029

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 27159744

約数和(自身を除く): 7148715

約数列:

[1, 3, 101, 211, 303, 313, 633, 939, 21311, 31613, 63933, 66043, 94839, 198129, 6670343, 20011029]

約数ペア:

[(1, 20011029), (3, 6670343), (101, 198129), (211, 94839), (303, 66043), (313, 63933), (633, 31613), (939, 21311)]