20200743

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6949}}^1$

素因数の和:6991

約数の個数: 24

約数和(自身を含む): 32526000

約数和(自身を除く): 12325257

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 6949, 20847, 62541, 118133, 132031, 354399, 396093, 1063197, 1188279, 2244527, 6733581, 20200743]

約数ペア:

[(1, 20200743), (3, 6733581), (9, 2244527), (17, 1188279), (19, 1063197), (51, 396093), (57, 354399), (153, 132031), (171, 118133), (323, 62541), (969, 20847), (2907, 6949)]