20524112

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 27687088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 71, 89, 112, 116, 142, 178, 203, 232, 284, 356, 406, 464, 497, 568, 623, 712, 812, 994, 1136, 1246, 1424, 1624, 1988, 2059, 2492, 2581, 3248, 3976, 4118, 4984, 5162, 6319, 7952, 8236, 9968, 10324, 12638, 14413, 16472, 18067, 20648, 25276, 28826, 32944, 36134, 41296, 44233, 50552, 57652, 72268, 88466, 101104, 115304, 144536, 176932, 183251, 230608, 289072, 353864, 366502, 707728, 733004, 1282757, 1466008, 2565514, 2932016, 5131028, 10262056, 20524112]

約数ペア:

[(1, 20524112), (2, 10262056), (4, 5131028), (7, 2932016), (8, 2565514), (14, 1466008), (16, 1282757), (28, 733004), (29, 707728), (56, 366502), (58, 353864), (71, 289072), (89, 230608), (112, 183251), (116, 176932), (142, 144536), (178, 115304), (203, 101104), (232, 88466), (284, 72268), (356, 57652), (406, 50552), (464, 44233), (497, 41296), (568, 36134), (623, 32944), (712, 28826), (812, 25276), (994, 20648), (1136, 18067), (1246, 16472), (1424, 14413), (1624, 12638), (1988, 10324), (2059, 9968), (2492, 8236), (2581, 7952), (3248, 6319), (3976, 5162), (4118, 4984)]