20924871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1451}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 12529209

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1451, 4353, 4807, 14421, 15961, 27569, 33373, 47883, 82707, 100119, 303259, 367103, 634087, 909777, 1101309, 1902261, 6974957, 20924871]

約数ペア:

[(1, 20924871), (3, 6974957), (11, 1902261), (19, 1101309), (23, 909777), (33, 634087), (57, 367103), (69, 303259), (209, 100119), (253, 82707), (437, 47883), (627, 33373), (759, 27569), (1311, 15961), (1451, 14421), (4353, 4807)]