20458935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 40974336

約数和(自身を除く): 20515401

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 107, 315, 321, 535, 607, 749, 963, 1605, 1821, 2247, 3035, 3745, 4249, 4815, 5463, 6741, 9105, 11235, 12747, 21245, 27315, 33705, 38241, 63735, 64949, 191205, 194847, 324745, 454643, 584541, 974235, 1363929, 2273215, 2922705, 4091787, 6819645, 20458935]

約数ペア:

[(1, 20458935), (3, 6819645), (5, 4091787), (7, 2922705), (9, 2273215), (15, 1363929), (21, 974235), (35, 584541), (45, 454643), (63, 324745), (105, 194847), (107, 191205), (315, 64949), (321, 63735), (535, 38241), (607, 33705), (749, 27315), (963, 21245), (1605, 12747), (1821, 11235), (2247, 9105), (3035, 6741), (3745, 5463), (4249, 4815)]