20123171307

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15857503}}^1$

素因数の和:15857559

約数の個数: 16

約数和(自身を含む): 30446407680

約数和(自身を除く): 10323236373

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15857503, 47572509, 142717527, 428152581, 745302641, 2235907923, 6707723769, 20123171307]

約数ペア:

[(1, 20123171307), (3, 6707723769), (9, 2235907923), (27, 745302641), (47, 428152581), (141, 142717527), (423, 47572509), (1269, 15857503)]