20880984

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{8447}}^1$

素因数の和:8559

約数の個数: 32

約数和(自身を含む): 52715520

約数和(自身を除く): 31834536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 8447, 16894, 25341, 33788, 50682, 67576, 101364, 202728, 870041, 1740082, 2610123, 3480164, 5220246, 6960328, 10440492, 20880984]

約数ペア:

[(1, 20880984), (2, 10440492), (3, 6960328), (4, 5220246), (6, 3480164), (8, 2610123), (12, 1740082), (24, 870041), (103, 202728), (206, 101364), (309, 67576), (412, 50682), (618, 33788), (824, 25341), (1236, 16894), (2472, 8447)]