20313777

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 30818304

約数和(自身を除く): 10504527

約数列:

[1, 3, 11, 33, 37, 111, 127, 131, 381, 393, 407, 1221, 1397, 1441, 4191, 4323, 4699, 4847, 14097, 14541, 16637, 49911, 51689, 53317, 155067, 159951, 183007, 549021, 615569, 1846707, 6771259, 20313777]

約数ペア:

[(1, 20313777), (3, 6771259), (11, 1846707), (33, 615569), (37, 549021), (111, 183007), (127, 159951), (131, 155067), (381, 53317), (393, 51689), (407, 49911), (1221, 16637), (1397, 14541), (1441, 14097), (4191, 4847), (4323, 4699)]