20199256281

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{4133263}}^1$

素因数の和:4133453

約数の個数: 16

約数和(自身を含む): 30090161920

約数和(自身を除く): 9890905639

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 4133263, 12399789, 37199367, 111598101, 748120603, 2244361809, 6733085427, 20199256281]

約数ペア:

[(1, 20199256281), (3, 6733085427), (9, 2244361809), (27, 748120603), (181, 111598101), (543, 37199367), (1629, 12399789), (4887, 4133263)]