20779977

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 9863223

約数列:

[1, 3, 19, 37, 57, 59, 111, 167, 177, 501, 703, 1121, 2109, 2183, 3173, 3363, 6179, 6549, 9519, 9853, 18537, 29559, 41477, 117401, 124431, 187207, 352203, 364561, 561621, 1093683, 6926659, 20779977]

約数ペア:

[(1, 20779977), (3, 6926659), (19, 1093683), (37, 561621), (57, 364561), (59, 352203), (111, 187207), (167, 124431), (177, 117401), (501, 41477), (703, 29559), (1121, 18537), (2109, 9853), (2183, 9519), (3173, 6549), (3363, 6179)]