20097784

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1879}}^1$

素因数の和:2083

約数の個数: 32

約数和(自身を含む): 43315200

約数和(自身を除く): 23217416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 1879, 2674, 3758, 5348, 7516, 10696, 13153, 15032, 26306, 52612, 105224, 358889, 717778, 1435556, 2512223, 2871112, 5024446, 10048892, 20097784]

約数ペア:

[(1, 20097784), (2, 10048892), (4, 5024446), (7, 2871112), (8, 2512223), (14, 1435556), (28, 717778), (56, 358889), (191, 105224), (382, 52612), (764, 26306), (1337, 15032), (1528, 13153), (1879, 10696), (2674, 7516), (3758, 5348)]