20578992

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:930

約数の個数: 80

約数和(自身を含む): 61662720

約数和(自身を除く): 41083728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 73, 84, 112, 146, 168, 219, 292, 336, 438, 511, 584, 839, 876, 1022, 1168, 1533, 1678, 1752, 2044, 2517, 3066, 3356, 3504, 4088, 5034, 5873, 6132, 6712, 8176, 10068, 11746, 12264, 13424, 17619, 20136, 23492, 24528, 35238, 40272, 46984, 61247, 70476, 93968, 122494, 140952, 183741, 244988, 281904, 367482, 428729, 489976, 734964, 857458, 979952, 1286187, 1469928, 1714916, 2572374, 2939856, 3429832, 5144748, 6859664, 10289496, 20578992]

約数ペア:

[(1, 20578992), (2, 10289496), (3, 6859664), (4, 5144748), (6, 3429832), (7, 2939856), (8, 2572374), (12, 1714916), (14, 1469928), (16, 1286187), (21, 979952), (24, 857458), (28, 734964), (42, 489976), (48, 428729), (56, 367482), (73, 281904), (84, 244988), (112, 183741), (146, 140952), (168, 122494), (219, 93968), (292, 70476), (336, 61247), (438, 46984), (511, 40272), (584, 35238), (839, 24528), (876, 23492), (1022, 20136), (1168, 17619), (1533, 13424), (1678, 12264), (1752, 11746), (2044, 10068), (2517, 8176), (3066, 6712), (3356, 6132), (3504, 5873), (4088, 5034)]