20346513

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 31128384

約数和(自身を除く): 10781871

約数列:

[1, 3, 11, 23, 33, 69, 121, 253, 363, 759, 2437, 2783, 7311, 8349, 26807, 56051, 80421, 168153, 294877, 616561, 884631, 1849683, 6782171, 20346513]

約数ペア:

[(1, 20346513), (3, 6782171), (11, 1849683), (23, 884631), (33, 616561), (69, 294877), (121, 168153), (253, 80421), (363, 56051), (759, 26807), (2437, 8349), (2783, 7311)]