20172571671

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56505803}}^1$

素因数の和:56505830

約数の個数: 16

約数和(自身を含む): 32547343104

約数和(自身を除く): 12374771433

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56505803, 169517409, 395540621, 960598651, 1186621863, 2881795953, 6724190557, 20172571671]

約数ペア:

[(1, 20172571671), (3, 6724190557), (7, 2881795953), (17, 1186621863), (21, 960598651), (51, 395540621), (119, 169517409), (357, 56505803)]