20820087

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3319}}^1$

素因数の和:3383

約数の個数: 24

約数和(自身を含む): 32628960

約数和(自身を除く): 11808873

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3319, 6273, 9957, 29871, 56423, 136079, 169269, 408237, 507807, 1224711, 2313343, 6940029, 20820087]

約数ペア:

[(1, 20820087), (3, 6940029), (9, 2313343), (17, 1224711), (41, 507807), (51, 408237), (123, 169269), (153, 136079), (369, 56423), (697, 29871), (2091, 9957), (3319, 6273)]