20164569880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{70123}}^1$

素因数の和:70233

約数の個数: 128

約数和(自身を含む): 56547993600

約数和(自身を除く): 36383423720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 260, 280, 316, 364, 395, 455, 520, 553, 632, 728, 790, 910, 1027, 1106, 1580, 1820, 2054, 2212, 2765, 3160, 3640, 4108, 4424, 5135, 5530, 7189, 8216, 10270, 11060, 14378, 20540, 22120, 28756, 35945, 41080, 57512, 70123, 71890, 140246, 143780, 280492, 287560, 350615, 490861, 560984, 701230, 911599, 981722, 1402460, 1823198, 1963444, 2454305, 2804920, 3646396, 3926888, 4557995, 4908610, 5539717, 6381193, 7292792, 9115990, 9817220, 11079434, 12762386, 18231980, 19634440, 22158868, 25524772, 27698585, 31905965, 36463960, 38778019, 44317736, 51049544, 55397170, 63811930, 72016321, 77556038, 110794340, 127623860, 144032642, 155112076, 193890095, 221588680, 255247720, 288065284, 310224152, 360081605, 387780190, 504114247, 576130568, 720163210, 775560380, 1008228494, 1440326420, 1551120760, 2016456988, 2520571235, 2880652840, 4032913976, 5041142470, 10082284940, 20164569880]

約数ペア:

[(1, 20164569880), (2, 10082284940), (4, 5041142470), (5, 4032913976), (7, 2880652840), (8, 2520571235), (10, 2016456988), (13, 1551120760), (14, 1440326420), (20, 1008228494), (26, 775560380), (28, 720163210), (35, 576130568), (40, 504114247), (52, 387780190), (56, 360081605), (65, 310224152), (70, 288065284), (79, 255247720), (91, 221588680), (104, 193890095), (130, 155112076), (140, 144032642), (158, 127623860), (182, 110794340), (260, 77556038), (280, 72016321), (316, 63811930), (364, 55397170), (395, 51049544), (455, 44317736), (520, 38778019), (553, 36463960), (632, 31905965), (728, 27698585), (790, 25524772), (910, 22158868), (1027, 19634440), (1106, 18231980), (1580, 12762386), (1820, 11079434), (2054, 9817220), (2212, 9115990), (2765, 7292792), (3160, 6381193), (3640, 5539717), (4108, 4908610), (4424, 4557995), (5135, 3926888), (5530, 3646396), (7189, 2804920), (8216, 2454305), (10270, 1963444), (11060, 1823198), (14378, 1402460), (20540, 981722), (22120, 911599), (28756, 701230), (35945, 560984), (41080, 490861), (57512, 350615), (70123, 287560), (71890, 280492), (140246, 143780)]