20448889209

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{10799}}^1$

素因数の和:11091

約数の個数: 64

約数和(自身を含む): 35582976000

約数和(自身を除く): 15134086791

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 233, 301, 387, 699, 903, 1161, 1631, 2097, 2709, 4893, 6291, 8127, 10019, 10799, 14679, 30057, 32397, 44037, 70133, 75593, 90171, 97191, 210399, 226779, 270513, 291573, 464357, 631197, 680337, 1393071, 1893591, 2041011, 2516167, 3250499, 4179213, 7548501, 9751497, 12537639, 17613169, 22645503, 29254491, 52839507, 67936509, 87763473, 108195181, 158518521, 324585543, 475555563, 757366267, 973756629, 2272098801, 2921269887, 6816296403, 20448889209]

約数ペア:

[(1, 20448889209), (3, 6816296403), (7, 2921269887), (9, 2272098801), (21, 973756629), (27, 757366267), (43, 475555563), (63, 324585543), (129, 158518521), (189, 108195181), (233, 87763473), (301, 67936509), (387, 52839507), (699, 29254491), (903, 22645503), (1161, 17613169), (1631, 12537639), (2097, 9751497), (2709, 7548501), (4893, 4179213), (6291, 3250499), (8127, 2516167), (10019, 2041011), (10799, 1893591), (14679, 1393071), (30057, 680337), (32397, 631197), (44037, 464357), (70133, 291573), (75593, 270513), (90171, 226779), (97191, 210399)]