20196993040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1511}}^1\times {\mathrm{23869}}^1$

素因数の和:25400

約数の個数: 80

約数和(自身を含む): 53704062720

約数和(自身を除く): 33507069680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1511, 3022, 6044, 7555, 10577, 12088, 15110, 21154, 23869, 24176, 30220, 42308, 47738, 52885, 60440, 84616, 95476, 105770, 119345, 120880, 167083, 169232, 190952, 211540, 238690, 334166, 381904, 423080, 477380, 668332, 835415, 846160, 954760, 1336664, 1670830, 1909520, 2673328, 3341660, 6683320, 13366640, 36066059, 72132118, 144264236, 180330295, 252462413, 288528472, 360660590, 504924826, 577056944, 721321180, 1009849652, 1262312065, 1442642360, 2019699304, 2524624130, 2885284720, 4039398608, 5049248260, 10098496520, 20196993040]

約数ペア:

[(1, 20196993040), (2, 10098496520), (4, 5049248260), (5, 4039398608), (7, 2885284720), (8, 2524624130), (10, 2019699304), (14, 1442642360), (16, 1262312065), (20, 1009849652), (28, 721321180), (35, 577056944), (40, 504924826), (56, 360660590), (70, 288528472), (80, 252462413), (112, 180330295), (140, 144264236), (280, 72132118), (560, 36066059), (1511, 13366640), (3022, 6683320), (6044, 3341660), (7555, 2673328), (10577, 1909520), (12088, 1670830), (15110, 1336664), (21154, 954760), (23869, 846160), (24176, 835415), (30220, 668332), (42308, 477380), (47738, 423080), (52885, 381904), (60440, 334166), (84616, 238690), (95476, 211540), (105770, 190952), (119345, 169232), (120880, 167083)]