20079873

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 15482367

約数列:

[1, 3, 9, 11, 17, 27, 33, 41, 51, 97, 99, 123, 153, 187, 291, 297, 369, 451, 459, 561, 697, 873, 1067, 1107, 1353, 1649, 1683, 2091, 2619, 3201, 3977, 4059, 4947, 5049, 6273, 7667, 9603, 11931, 12177, 14841, 18139, 18819, 23001, 28809, 35793, 43747, 44523, 54417, 67609, 69003, 107379, 131241, 163251, 202827, 207009, 393723, 489753, 608481, 743699, 1181169, 1825443, 2231097, 6693291, 20079873]

約数ペア:

[(1, 20079873), (3, 6693291), (9, 2231097), (11, 1825443), (17, 1181169), (27, 743699), (33, 608481), (41, 489753), (51, 393723), (97, 207009), (99, 202827), (123, 163251), (153, 131241), (187, 107379), (291, 69003), (297, 67609), (369, 54417), (451, 44523), (459, 43747), (561, 35793), (697, 28809), (873, 23001), (1067, 18819), (1107, 18139), (1353, 14841), (1649, 12177), (1683, 11931), (2091, 9603), (2619, 7667), (3201, 6273), (3977, 5049), (4059, 4947)]