20016976

素因数分解:

$2^4\times 7^1\times {\mathrm{313}}^1\times {\mathrm{571}}^1$

素因数の和:899

約数の個数: 40

約数和(自身を含む): 44542784

約数和(自身を除く): 24525808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 313, 571, 626, 1142, 1252, 2191, 2284, 2504, 3997, 4382, 4568, 5008, 7994, 8764, 9136, 15988, 17528, 31976, 35056, 63952, 178723, 357446, 714892, 1251061, 1429784, 2502122, 2859568, 5004244, 10008488, 20016976]

約数ペア:

[(1, 20016976), (2, 10008488), (4, 5004244), (7, 2859568), (8, 2502122), (14, 1429784), (16, 1251061), (28, 714892), (56, 357446), (112, 178723), (313, 63952), (571, 35056), (626, 31976), (1142, 17528), (1252, 15988), (2191, 9136), (2284, 8764), (2504, 7994), (3997, 5008), (4382, 4568)]