20701521

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{24733}}^1$

素因数の和:24773

約数の個数: 16

約数和(自身を含む): 31659520

約数和(自身を除く): 10957999

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 24733, 74199, 222597, 667791, 766723, 2300169, 6900507, 20701521]

約数ペア:

[(1, 20701521), (3, 6900507), (9, 2300169), (27, 766723), (31, 667791), (93, 222597), (279, 74199), (837, 24733)]