20440756

素因数分解:

$2^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1283}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 40985280

約数和(自身を除く): 20544524

約数列:

[1, 2, 4, 7, 14, 28, 569, 1138, 1283, 2276, 2566, 3983, 5132, 7966, 8981, 15932, 17962, 35924, 730027, 1460054, 2920108, 5110189, 10220378, 20440756]

約数ペア:

[(1, 20440756), (2, 10220378), (4, 5110189), (7, 2920108), (14, 1460054), (28, 730027), (569, 35924), (1138, 17962), (1283, 15932), (2276, 8981), (2566, 7966), (3983, 5132)]