20673504

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3121}}^1$

素因数の和:3160

約数の個数: 72

約数和(自身を含む): 61366032

約数和(自身を除く): 40692528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3121, 3312, 6242, 6624, 9363, 12484, 18726, 24968, 28089, 37452, 49936, 56178, 71783, 74904, 99872, 112356, 143566, 149808, 215349, 224712, 287132, 299616, 430698, 449424, 574264, 646047, 861396, 898848, 1148528, 1292094, 1722792, 2297056, 2584188, 3445584, 5168376, 6891168, 10336752, 20673504]

約数ペア:

[(1, 20673504), (2, 10336752), (3, 6891168), (4, 5168376), (6, 3445584), (8, 2584188), (9, 2297056), (12, 1722792), (16, 1292094), (18, 1148528), (23, 898848), (24, 861396), (32, 646047), (36, 574264), (46, 449424), (48, 430698), (69, 299616), (72, 287132), (92, 224712), (96, 215349), (138, 149808), (144, 143566), (184, 112356), (207, 99872), (276, 74904), (288, 71783), (368, 56178), (414, 49936), (552, 37452), (736, 28089), (828, 24968), (1104, 18726), (1656, 12484), (2208, 9363), (3121, 6624), (3312, 6242)]