20925912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 63659520

約数和(自身を除く): 42733608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 289, 357, 408, 431, 476, 578, 714, 862, 867, 952, 1156, 1293, 1428, 1724, 1734, 2023, 2312, 2586, 2856, 3017, 3448, 3468, 4046, 5172, 6034, 6069, 6936, 7327, 8092, 9051, 10344, 12068, 12138, 14654, 16184, 18102, 21981, 24136, 24276, 29308, 36204, 43962, 48552, 51289, 58616, 72408, 87924, 102578, 124559, 153867, 175848, 205156, 249118, 307734, 373677, 410312, 498236, 615468, 747354, 871913, 996472, 1230936, 1494708, 1743826, 2615739, 2989416, 3487652, 5231478, 6975304, 10462956, 20925912]

約数ペア:

[(1, 20925912), (2, 10462956), (3, 6975304), (4, 5231478), (6, 3487652), (7, 2989416), (8, 2615739), (12, 1743826), (14, 1494708), (17, 1230936), (21, 996472), (24, 871913), (28, 747354), (34, 615468), (42, 498236), (51, 410312), (56, 373677), (68, 307734), (84, 249118), (102, 205156), (119, 175848), (136, 153867), (168, 124559), (204, 102578), (238, 87924), (289, 72408), (357, 58616), (408, 51289), (431, 48552), (476, 43962), (578, 36204), (714, 29308), (862, 24276), (867, 24136), (952, 21981), (1156, 18102), (1293, 16184), (1428, 14654), (1724, 12138), (1734, 12068), (2023, 10344), (2312, 9051), (2586, 8092), (2856, 7327), (3017, 6936), (3448, 6069), (3468, 6034), (4046, 5172)]