20457696

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4349}}^1$

素因数の和:4376

約数の個数: 72

約数和(自身を含む): 62483400

約数和(自身を除く): 42025704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4349, 4704, 8698, 13047, 17396, 26094, 30443, 34792, 52188, 60886, 69584, 91329, 104376, 121772, 139168, 182658, 208752, 213101, 243544, 365316, 417504, 426202, 487088, 639303, 730632, 852404, 974176, 1278606, 1461264, 1704808, 2557212, 2922528, 3409616, 5114424, 6819232, 10228848, 20457696]

約数ペア:

[(1, 20457696), (2, 10228848), (3, 6819232), (4, 5114424), (6, 3409616), (7, 2922528), (8, 2557212), (12, 1704808), (14, 1461264), (16, 1278606), (21, 974176), (24, 852404), (28, 730632), (32, 639303), (42, 487088), (48, 426202), (49, 417504), (56, 365316), (84, 243544), (96, 213101), (98, 208752), (112, 182658), (147, 139168), (168, 121772), (196, 104376), (224, 91329), (294, 69584), (336, 60886), (392, 52188), (588, 34792), (672, 30443), (784, 26094), (1176, 17396), (1568, 13047), (2352, 8698), (4349, 4704)]