20763661968

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{131203}}^1$

素因数の和:131381

約数の個数: 120

約数和(自身を含む): 66834267968

約数和(自身を除く): 46070606000

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 157, 168, 252, 314, 336, 471, 504, 628, 942, 1008, 1099, 1256, 1413, 1884, 2198, 2512, 2826, 3297, 3768, 4396, 5652, 6594, 7536, 8792, 9891, 11304, 13188, 17584, 19782, 22608, 26376, 39564, 52752, 79128, 131203, 158256, 262406, 393609, 524812, 787218, 918421, 1049624, 1180827, 1574436, 1836842, 2099248, 2361654, 2755263, 3148872, 3673684, 4723308, 5510526, 6297744, 7347368, 8265789, 9446616, 11021052, 14694736, 16531578, 18893232, 20598871, 22042104, 33063156, 41197742, 44084208, 61796613, 66126312, 82395484, 123593226, 132252624, 144192097, 164790968, 185389839, 247186452, 288384194, 329581936, 370779678, 432576291, 494372904, 576768388, 741559356, 865152582, 988745808, 1153536776, 1297728873, 1483118712, 1730305164, 2307073552, 2595457746, 2966237424, 3460610328, 5190915492, 6921220656, 10381830984, 20763661968]

約数ペア:

[(1, 20763661968), (2, 10381830984), (3, 6921220656), (4, 5190915492), (6, 3460610328), (7, 2966237424), (8, 2595457746), (9, 2307073552), (12, 1730305164), (14, 1483118712), (16, 1297728873), (18, 1153536776), (21, 988745808), (24, 865152582), (28, 741559356), (36, 576768388), (42, 494372904), (48, 432576291), (56, 370779678), (63, 329581936), (72, 288384194), (84, 247186452), (112, 185389839), (126, 164790968), (144, 144192097), (157, 132252624), (168, 123593226), (252, 82395484), (314, 66126312), (336, 61796613), (471, 44084208), (504, 41197742), (628, 33063156), (942, 22042104), (1008, 20598871), (1099, 18893232), (1256, 16531578), (1413, 14694736), (1884, 11021052), (2198, 9446616), (2512, 8265789), (2826, 7347368), (3297, 6297744), (3768, 5510526), (4396, 4723308), (5652, 3673684), (6594, 3148872), (7536, 2755263), (8792, 2361654), (9891, 2099248), (11304, 1836842), (13188, 1574436), (17584, 1180827), (19782, 1049624), (22608, 918421), (26376, 787218), (39564, 524812), (52752, 393609), (79128, 262406), (131203, 158256)]