20199789680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{6121}}^1$

素因数の和:6295

約数の個数: 160

約数和(自身を含む): 55094473728

約数和(自身を除く): 34894684048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 83, 112, 140, 142, 166, 280, 284, 332, 355, 415, 497, 560, 568, 581, 664, 710, 830, 994, 1136, 1162, 1328, 1420, 1660, 1988, 2324, 2485, 2840, 2905, 3320, 3976, 4648, 4970, 5680, 5810, 5893, 6121, 6640, 7952, 9296, 9940, 11620, 11786, 12242, 19880, 23240, 23572, 24484, 29465, 30605, 39760, 41251, 42847, 46480, 47144, 48968, 58930, 61210, 82502, 85694, 94288, 97936, 117860, 122420, 165004, 171388, 206255, 214235, 235720, 244840, 330008, 342776, 412510, 428470, 434591, 471440, 489680, 508043, 660016, 685552, 825020, 856940, 869182, 1016086, 1650040, 1713880, 1738364, 2032172, 2172955, 2540215, 3042137, 3300080, 3427760, 3476728, 3556301, 4064344, 4345910, 5080430, 6084274, 6953456, 7112602, 8128688, 8691820, 10160860, 12168548, 14225204, 15210685, 17383640, 17781505, 20321720, 24337096, 28450408, 30421370, 34767280, 35563010, 36071053, 40643440, 48674192, 56900816, 60842740, 71126020, 72142106, 121685480, 142252040, 144284212, 180355265, 243370960, 252497371, 284504080, 288568424, 360710530, 504994742, 577136848, 721421060, 1009989484, 1262486855, 1442842120, 2019978968, 2524973710, 2885684240, 4039957936, 5049947420, 10099894840, 20199789680]

約数ペア:

[(1, 20199789680), (2, 10099894840), (4, 5049947420), (5, 4039957936), (7, 2885684240), (8, 2524973710), (10, 2019978968), (14, 1442842120), (16, 1262486855), (20, 1009989484), (28, 721421060), (35, 577136848), (40, 504994742), (56, 360710530), (70, 288568424), (71, 284504080), (80, 252497371), (83, 243370960), (112, 180355265), (140, 144284212), (142, 142252040), (166, 121685480), (280, 72142106), (284, 71126020), (332, 60842740), (355, 56900816), (415, 48674192), (497, 40643440), (560, 36071053), (568, 35563010), (581, 34767280), (664, 30421370), (710, 28450408), (830, 24337096), (994, 20321720), (1136, 17781505), (1162, 17383640), (1328, 15210685), (1420, 14225204), (1660, 12168548), (1988, 10160860), (2324, 8691820), (2485, 8128688), (2840, 7112602), (2905, 6953456), (3320, 6084274), (3976, 5080430), (4648, 4345910), (4970, 4064344), (5680, 3556301), (5810, 3476728), (5893, 3427760), (6121, 3300080), (6640, 3042137), (7952, 2540215), (9296, 2172955), (9940, 2032172), (11620, 1738364), (11786, 1713880), (12242, 1650040), (19880, 1016086), (23240, 869182), (23572, 856940), (24484, 825020), (29465, 685552), (30605, 660016), (39760, 508043), (41251, 489680), (42847, 471440), (46480, 434591), (47144, 428470), (48968, 412510), (58930, 342776), (61210, 330008), (82502, 244840), (85694, 235720), (94288, 214235), (97936, 206255), (117860, 171388), (122420, 165004)]