20757331

素因数分解:

$7^3\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:923

約数の個数: 16

約数和(自身を含む): 24568000

約数和(自身を除く): 3810669

約数列:

[1, 7, 49, 73, 343, 511, 829, 3577, 5803, 25039, 40621, 60517, 284347, 423619, 2965333, 20757331]

約数ペア:

[(1, 20757331), (7, 2965333), (49, 423619), (73, 284347), (343, 60517), (511, 40621), (829, 25039), (3577, 5803)]