20121247779

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11387237}}^1$

素因数の和:11387290

約数の個数: 16

約数和(自身を含む): 29151329280

約数和(自身を除く): 9030081501

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 11387237, 34161711, 216357503, 353004347, 649072509, 1059013041, 6707082593, 20121247779]

約数ペア:

[(1, 20121247779), (3, 6707082593), (19, 1059013041), (31, 649072509), (57, 353004347), (93, 216357503), (589, 34161711), (1767, 11387237)]