20657681856

素因数分解:

$2^6\times 3^3\times 7^2\times {\mathrm{243973}}^1$

素因数の和:244008

約数の個数: 168

約数和(自身を含む): 70645111440

約数和(自身を除く): 49987429584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 192, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 448, 504, 576, 588, 672, 756, 784, 864, 882, 1008, 1176, 1323, 1344, 1512, 1568, 1728, 1764, 2016, 2352, 2646, 3024, 3136, 3528, 4032, 4704, 5292, 6048, 7056, 9408, 10584, 12096, 14112, 21168, 28224, 42336, 84672, 243973, 487946, 731919, 975892, 1463838, 1707811, 1951784, 2195757, 2927676, 3415622, 3903568, 4391514, 5123433, 5855352, 6587271, 6831244, 7807136, 8783028, 10246866, 11710704, 11954677, 13174542, 13662488, 15370299, 15614272, 17566056, 20493732, 23421408, 23909354, 26349084, 27324976, 30740598, 35132112, 35864031, 40987464, 46110897, 46842816, 47818708, 52698168, 54649952, 61481196, 70264224, 71728062, 81974928, 92221794, 95637416, 105396336, 107592093, 109299904, 122962392, 140528448, 143456124, 163949856, 184443588, 191274832, 210792672, 215184186, 245924784, 286912248, 322776279, 327899712, 368887176, 382549664, 421585344, 430368372, 491849568, 573824496, 645552558, 737774352, 765099328, 860736744, 983699136, 1147648992, 1291105116, 1475548704, 1721473488, 2295297984, 2582210232, 2951097408, 3442946976, 5164420464, 6885893952, 10328840928, 20657681856]

約数ペア:

[(1, 20657681856), (2, 10328840928), (3, 6885893952), (4, 5164420464), (6, 3442946976), (7, 2951097408), (8, 2582210232), (9, 2295297984), (12, 1721473488), (14, 1475548704), (16, 1291105116), (18, 1147648992), (21, 983699136), (24, 860736744), (27, 765099328), (28, 737774352), (32, 645552558), (36, 573824496), (42, 491849568), (48, 430368372), (49, 421585344), (54, 382549664), (56, 368887176), (63, 327899712), (64, 322776279), (72, 286912248), (84, 245924784), (96, 215184186), (98, 210792672), (108, 191274832), (112, 184443588), (126, 163949856), (144, 143456124), (147, 140528448), (168, 122962392), (189, 109299904), (192, 107592093), (196, 105396336), (216, 95637416), (224, 92221794), (252, 81974928), (288, 71728062), (294, 70264224), (336, 61481196), (378, 54649952), (392, 52698168), (432, 47818708), (441, 46842816), (448, 46110897), (504, 40987464), (576, 35864031), (588, 35132112), (672, 30740598), (756, 27324976), (784, 26349084), (864, 23909354), (882, 23421408), (1008, 20493732), (1176, 17566056), (1323, 15614272), (1344, 15370299), (1512, 13662488), (1568, 13174542), (1728, 11954677), (1764, 11710704), (2016, 10246866), (2352, 8783028), (2646, 7807136), (3024, 6831244), (3136, 6587271), (3528, 5855352), (4032, 5123433), (4704, 4391514), (5292, 3903568), (6048, 3415622), (7056, 2927676), (9408, 2195757), (10584, 1951784), (12096, 1707811), (14112, 1463838), (21168, 975892), (28224, 731919), (42336, 487946), (84672, 243973)]