20120851933

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{769}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 26872384000

約数和(自身を除く): 6751532067

約数列:

[1, 7, 13, 19, 37, 91, 133, 247, 259, 409, 481, 703, 769, 1729, 2863, 3367, 4921, 5317, 5383, 7771, 9139, 9997, 14611, 15133, 28453, 37219, 54397, 63973, 69979, 101023, 102277, 105931, 189943, 196729, 199171, 287527, 314521, 369889, 540607, 707161, 1329601, 1377103, 2012689, 2201647, 2589223, 3737851, 3784249, 4088773, 5975899, 7027891, 11637277, 26164957, 28621411, 41831293, 49195237, 77686687, 81460939, 151284601, 221108263, 543806809, 1058992207, 1547757841, 2874407419, 20120851933]

約数ペア:

[(1, 20120851933), (7, 2874407419), (13, 1547757841), (19, 1058992207), (37, 543806809), (91, 221108263), (133, 151284601), (247, 81460939), (259, 77686687), (409, 49195237), (481, 41831293), (703, 28621411), (769, 26164957), (1729, 11637277), (2863, 7027891), (3367, 5975899), (4921, 4088773), (5317, 3784249), (5383, 3737851), (7771, 2589223), (9139, 2201647), (9997, 2012689), (14611, 1377103), (15133, 1329601), (28453, 707161), (37219, 540607), (54397, 369889), (63973, 314521), (69979, 287527), (101023, 199171), (102277, 196729), (105931, 189943)]