20907656

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33941}}^1$

素因数の和:33965

約数の個数: 32

約数和(自身を含む): 48876480

約数和(自身を除く): 27968824

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33941, 67882, 135764, 237587, 271528, 373351, 475174, 746702, 950348, 1493404, 1900696, 2613457, 2986808, 5226914, 10453828, 20907656]

約数ペア:

[(1, 20907656), (2, 10453828), (4, 5226914), (7, 2986808), (8, 2613457), (11, 1900696), (14, 1493404), (22, 950348), (28, 746702), (44, 475174), (56, 373351), (77, 271528), (88, 237587), (154, 135764), (308, 67882), (616, 33941)]