20751633

素因数分解:

$3^4\times 7^1\times {\mathrm{36599}}^1$

素因数の和:36618

約数の個数: 20

約数和(自身を含む): 35428800

約数和(自身を除く): 14677167

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36599, 109797, 256193, 329391, 768579, 988173, 2305737, 2964519, 6917211, 20751633]

約数ペア:

[(1, 20751633), (3, 6917211), (7, 2964519), (9, 2305737), (21, 988173), (27, 768579), (63, 329391), (81, 256193), (189, 109797), (567, 36599)]