20956842

素因数分解:

$2^1\times 3^2\times {\mathrm{571}}^1\times {\mathrm{2039}}^1$

素因数の和:2618

約数の個数: 24

約数和(自身を含む): 45508320

約数和(自身を除く): 24551478

約数列:

[1, 2, 3, 6, 9, 18, 571, 1142, 1713, 2039, 3426, 4078, 5139, 6117, 10278, 12234, 18351, 36702, 1164269, 2328538, 3492807, 6985614, 10478421, 20956842]

約数ペア:

[(1, 20956842), (2, 10478421), (3, 6985614), (6, 3492807), (9, 2328538), (18, 1164269), (571, 36702), (1142, 18351), (1713, 12234), (2039, 10278), (3426, 6117), (4078, 5139)]