20179933221

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18131117}}^1$

素因数の和:18131180

約数の個数: 16

約数和(自身を含む): 31330571904

約数和(自身を除く): 11150638683

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18131117, 54393351, 126917819, 380753457, 960949201, 2882847603, 6726644407, 20179933221]

約数ペア:

[(1, 20179933221), (3, 6726644407), (7, 2882847603), (21, 960949201), (53, 380753457), (159, 126917819), (371, 54393351), (1113, 18131117)]