20699703

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 30606576

約数和(自身を除く): 9906873

約数列:

[1, 3, 9, 97, 131, 181, 291, 393, 543, 873, 1179, 1629, 12707, 17557, 23711, 38121, 52671, 71133, 114363, 158013, 213399, 2299967, 6899901, 20699703]

約数ペア:

[(1, 20699703), (3, 6899901), (9, 2299967), (97, 213399), (131, 158013), (181, 114363), (291, 71133), (393, 52671), (543, 38121), (873, 23711), (1179, 17557), (1629, 12707)]