20531522

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2293}}^1$

素因数の和:2354

約数の個数: 24

約数和(自身を含む): 34781628

約数和(自身を除く): 14250106

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2293, 4477, 4586, 8954, 25223, 50446, 84841, 169682, 277453, 554906, 933251, 1866502, 10265761, 20531522]

約数ペア:

[(1, 20531522), (2, 10265761), (11, 1866502), (22, 933251), (37, 554906), (74, 277453), (121, 169682), (242, 84841), (407, 50446), (814, 25223), (2293, 8954), (4477, 4586)]