20178038769

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56521117}}^1$

素因数の和:56521144

約数の個数: 16

約数和(自身を含む): 32556163968

約数和(自身を除く): 12378125199

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56521117, 169563351, 395647819, 960858989, 1186943457, 2882576967, 6726012923, 20178038769]

約数ペア:

[(1, 20178038769), (3, 6726012923), (7, 2882576967), (17, 1186943457), (21, 960858989), (51, 395647819), (119, 169563351), (357, 56521117)]