20988413954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{55051}}^1$

素因数の和:55278

約数の個数: 32

約数和(自身を含む): 33823948800

約数和(自身を除く): 12835534846

約数列:

[1, 2, 19, 38, 79, 127, 158, 254, 1501, 2413, 3002, 4826, 10033, 20066, 55051, 110102, 190627, 381254, 1045969, 2091938, 4349029, 6991477, 8698058, 13982954, 82631551, 132838063, 165263102, 265676126, 552326683, 1104653366, 10494206977, 20988413954]

約数ペア:

[(1, 20988413954), (2, 10494206977), (19, 1104653366), (38, 552326683), (79, 265676126), (127, 165263102), (158, 132838063), (254, 82631551), (1501, 13982954), (2413, 8698058), (3002, 6991477), (4826, 4349029), (10033, 2091938), (20066, 1045969), (55051, 381254), (110102, 190627)]