20199995456

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1699}}^1$

素因数の和:1972

約数の個数: 112

約数和(自身を含む): 43090185600

約数和(自身を除く): 22890190144

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 64, 82, 92, 164, 184, 197, 328, 368, 394, 656, 736, 788, 943, 1312, 1472, 1576, 1699, 1886, 2624, 3152, 3398, 3772, 4531, 6304, 6796, 7544, 8077, 9062, 12608, 13592, 15088, 16154, 18124, 27184, 30176, 32308, 36248, 39077, 54368, 60352, 64616, 69659, 72496, 78154, 108736, 129232, 139318, 144992, 156308, 185771, 258464, 278636, 289984, 312616, 334703, 371542, 516928, 557272, 625232, 669406, 743084, 1114544, 1250464, 1338812, 1486168, 1602157, 2229088, 2500928, 2677624, 2972336, 3204314, 4458176, 5355248, 5944672, 6408628, 7698169, 10710496, 11889344, 12817256, 13722823, 15396338, 21420992, 25634512, 27445646, 30792676, 51269024, 54891292, 61585352, 102538048, 109782584, 123170704, 219565168, 246341408, 315624929, 439130336, 492682816, 631249858, 878260672, 1262499716, 2524999432, 5049998864, 10099997728, 20199995456]

約数ペア:

[(1, 20199995456), (2, 10099997728), (4, 5049998864), (8, 2524999432), (16, 1262499716), (23, 878260672), (32, 631249858), (41, 492682816), (46, 439130336), (64, 315624929), (82, 246341408), (92, 219565168), (164, 123170704), (184, 109782584), (197, 102538048), (328, 61585352), (368, 54891292), (394, 51269024), (656, 30792676), (736, 27445646), (788, 25634512), (943, 21420992), (1312, 15396338), (1472, 13722823), (1576, 12817256), (1699, 11889344), (1886, 10710496), (2624, 7698169), (3152, 6408628), (3398, 5944672), (3772, 5355248), (4531, 4458176), (6304, 3204314), (6796, 2972336), (7544, 2677624), (8077, 2500928), (9062, 2229088), (12608, 1602157), (13592, 1486168), (15088, 1338812), (16154, 1250464), (18124, 1114544), (27184, 743084), (30176, 669406), (32308, 625232), (36248, 557272), (39077, 516928), (54368, 371542), (60352, 334703), (64616, 312616), (69659, 289984), (72496, 278636), (78154, 258464), (108736, 185771), (129232, 156308), (139318, 144992)]