20195597590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1\times {\mathrm{907}}^1$

素因数の和:1314

約数の個数: 96

約数和(自身を含む): 43105796352

約数和(自身を除く): 22910198762

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 331, 434, 662, 907, 961, 1085, 1655, 1814, 1922, 2170, 2317, 3310, 4535, 4634, 4805, 6349, 6727, 9070, 9610, 10261, 11585, 12698, 13454, 20522, 23170, 28117, 31745, 33635, 51305, 56234, 63490, 67270, 71827, 102610, 140585, 143654, 196819, 281170, 300217, 318091, 359135, 393638, 600434, 636182, 718270, 871627, 984095, 1501085, 1590455, 1743254, 1968190, 2101519, 2226637, 3002170, 3180910, 4203038, 4358135, 4453274, 6101389, 8716270, 9306727, 10507595, 11133185, 12202778, 18613454, 21015190, 22266370, 30506945, 46533635, 61013890, 65147089, 93067270, 130294178, 288508537, 325735445, 577017074, 651470890, 1442542685, 2019559759, 2885085370, 4039119518, 10097798795, 20195597590]

約数ペア:

[(1, 20195597590), (2, 10097798795), (5, 4039119518), (7, 2885085370), (10, 2019559759), (14, 1442542685), (31, 651470890), (35, 577017074), (62, 325735445), (70, 288508537), (155, 130294178), (217, 93067270), (310, 65147089), (331, 61013890), (434, 46533635), (662, 30506945), (907, 22266370), (961, 21015190), (1085, 18613454), (1655, 12202778), (1814, 11133185), (1922, 10507595), (2170, 9306727), (2317, 8716270), (3310, 6101389), (4535, 4453274), (4634, 4358135), (4805, 4203038), (6349, 3180910), (6727, 3002170), (9070, 2226637), (9610, 2101519), (10261, 1968190), (11585, 1743254), (12698, 1590455), (13454, 1501085), (20522, 984095), (23170, 871627), (28117, 718270), (31745, 636182), (33635, 600434), (51305, 393638), (56234, 359135), (63490, 318091), (67270, 300217), (71827, 281170), (102610, 196819), (140585, 143654)]