20412711

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 13552857

約数列:

[1, 3, 9, 11, 33, 41, 47, 99, 107, 123, 141, 321, 369, 423, 451, 517, 963, 1177, 1353, 1551, 1927, 3531, 4059, 4387, 4653, 5029, 5781, 10593, 13161, 15087, 17343, 21197, 39483, 45261, 48257, 55319, 63591, 144771, 165957, 190773, 206189, 434313, 497871, 618567, 1855701, 2268079, 6804237, 20412711]

約数ペア:

[(1, 20412711), (3, 6804237), (9, 2268079), (11, 1855701), (33, 618567), (41, 497871), (47, 434313), (99, 206189), (107, 190773), (123, 165957), (141, 144771), (321, 63591), (369, 55319), (423, 48257), (451, 45261), (517, 39483), (963, 21197), (1177, 17343), (1353, 15087), (1551, 13161), (1927, 10593), (3531, 5781), (4059, 5029), (4387, 4653)]