20577744

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1181}}^1$

素因数の和:1217

約数の個数: 90

約数和(自身を含む): 63354018

約数和(自身を除く): 42776274

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1089, 1181, 1452, 1584, 1936, 2178, 2362, 2904, 3543, 4356, 4724, 5808, 7086, 8712, 9448, 10629, 12991, 14172, 17424, 18896, 21258, 25982, 28344, 38973, 42516, 51964, 56688, 77946, 85032, 103928, 116919, 142901, 155892, 170064, 207856, 233838, 285802, 311784, 428703, 467676, 571604, 623568, 857406, 935352, 1143208, 1286109, 1714812, 1870704, 2286416, 2572218, 3429624, 5144436, 6859248, 10288872, 20577744]

約数ペア:

[(1, 20577744), (2, 10288872), (3, 6859248), (4, 5144436), (6, 3429624), (8, 2572218), (9, 2286416), (11, 1870704), (12, 1714812), (16, 1286109), (18, 1143208), (22, 935352), (24, 857406), (33, 623568), (36, 571604), (44, 467676), (48, 428703), (66, 311784), (72, 285802), (88, 233838), (99, 207856), (121, 170064), (132, 155892), (144, 142901), (176, 116919), (198, 103928), (242, 85032), (264, 77946), (363, 56688), (396, 51964), (484, 42516), (528, 38973), (726, 28344), (792, 25982), (968, 21258), (1089, 18896), (1181, 17424), (1452, 14172), (1584, 12991), (1936, 10629), (2178, 9448), (2362, 8712), (2904, 7086), (3543, 5808), (4356, 4724)]