20520304672

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{5783}}^1$

素因数の和:5911

約数の個数: 144

約数和(自身を含む): 49184174592

約数和(自身を除く): 28663869920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 73, 98, 112, 124, 146, 196, 217, 224, 248, 292, 392, 434, 496, 511, 584, 784, 868, 992, 1022, 1168, 1519, 1568, 1736, 2044, 2263, 2336, 3038, 3472, 3577, 4088, 4526, 5783, 6076, 6944, 7154, 8176, 9052, 11566, 12152, 14308, 15841, 16352, 18104, 23132, 24304, 28616, 31682, 36208, 40481, 46264, 48608, 57232, 63364, 72416, 80962, 92528, 110887, 114464, 126728, 161924, 179273, 185056, 221774, 253456, 283367, 323848, 358546, 422159, 443548, 506912, 566734, 647696, 717092, 844318, 887096, 1133468, 1254911, 1295392, 1434184, 1688636, 1774192, 2266936, 2509822, 2868368, 2955113, 3377272, 3548384, 4533872, 5019644, 5736736, 5910226, 6754544, 8784377, 9067744, 10039288, 11820452, 13086929, 13509088, 17568754, 20078576, 20685791, 23640904, 26173858, 35137508, 40157152, 41371582, 47281808, 52347716, 70275016, 82743164, 91608503, 94563616, 104695432, 140550032, 165486328, 183217006, 209390864, 281100064, 330972656, 366434012, 418781728, 641259521, 661945312, 732868024, 1282519042, 1465736048, 2565038084, 2931472096, 5130076168, 10260152336, 20520304672]

約数ペア:

[(1, 20520304672), (2, 10260152336), (4, 5130076168), (7, 2931472096), (8, 2565038084), (14, 1465736048), (16, 1282519042), (28, 732868024), (31, 661945312), (32, 641259521), (49, 418781728), (56, 366434012), (62, 330972656), (73, 281100064), (98, 209390864), (112, 183217006), (124, 165486328), (146, 140550032), (196, 104695432), (217, 94563616), (224, 91608503), (248, 82743164), (292, 70275016), (392, 52347716), (434, 47281808), (496, 41371582), (511, 40157152), (584, 35137508), (784, 26173858), (868, 23640904), (992, 20685791), (1022, 20078576), (1168, 17568754), (1519, 13509088), (1568, 13086929), (1736, 11820452), (2044, 10039288), (2263, 9067744), (2336, 8784377), (3038, 6754544), (3472, 5910226), (3577, 5736736), (4088, 5019644), (4526, 4533872), (5783, 3548384), (6076, 3377272), (6944, 2955113), (7154, 2868368), (8176, 2509822), (9052, 2266936), (11566, 1774192), (12152, 1688636), (14308, 1434184), (15841, 1295392), (16352, 1254911), (18104, 1133468), (23132, 887096), (24304, 844318), (28616, 717092), (31682, 647696), (36208, 566734), (40481, 506912), (46264, 443548), (48608, 422159), (57232, 358546), (63364, 323848), (72416, 283367), (80962, 253456), (92528, 221774), (110887, 185056), (114464, 179273), (126728, 161924)]