20940456

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12289}}^1$

素因数の和:12369

約数の個数: 32

約数和(自身を含む): 53092800

約数和(自身を除く): 32152344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12289, 24578, 36867, 49156, 73734, 98312, 147468, 294936, 872519, 1745038, 2617557, 3490076, 5235114, 6980152, 10470228, 20940456]

約数ペア:

[(1, 20940456), (2, 10470228), (3, 6980152), (4, 5235114), (6, 3490076), (8, 2617557), (12, 1745038), (24, 872519), (71, 294936), (142, 147468), (213, 98312), (284, 73734), (426, 49156), (568, 36867), (852, 24578), (1704, 12289)]