20531412

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 57177120

約数和(自身を除く): 36645708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 139, 198, 278, 373, 396, 417, 556, 746, 834, 1119, 1251, 1492, 1529, 1668, 2238, 2502, 3058, 3357, 4103, 4476, 4587, 5004, 6116, 6714, 8206, 9174, 12309, 13428, 13761, 16412, 18348, 24618, 27522, 36927, 49236, 51847, 55044, 73854, 103694, 147708, 155541, 207388, 311082, 466623, 570317, 622164, 933246, 1140634, 1710951, 1866492, 2281268, 3421902, 5132853, 6843804, 10265706, 20531412]

約数ペア:

[(1, 20531412), (2, 10265706), (3, 6843804), (4, 5132853), (6, 3421902), (9, 2281268), (11, 1866492), (12, 1710951), (18, 1140634), (22, 933246), (33, 622164), (36, 570317), (44, 466623), (66, 311082), (99, 207388), (132, 155541), (139, 147708), (198, 103694), (278, 73854), (373, 55044), (396, 51847), (417, 49236), (556, 36927), (746, 27522), (834, 24618), (1119, 18348), (1251, 16412), (1492, 13761), (1529, 13428), (1668, 12309), (2238, 9174), (2502, 8206), (3058, 6714), (3357, 6116), (4103, 5004), (4476, 4587)]