20210958656

素因数分解:

$2^6\times 7^2\times {\mathrm{1259}}^1\times {\mathrm{5119}}^1$

素因数の和:6404

約数の個数: 84

約数和(自身を含む): 46700236800

約数和(自身を除く): 26489278144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1259, 1568, 2518, 3136, 5036, 5119, 8813, 10072, 10238, 17626, 20144, 20476, 35252, 35833, 40288, 40952, 61691, 70504, 71666, 80576, 81904, 123382, 141008, 143332, 163808, 246764, 250831, 282016, 286664, 327616, 493528, 501662, 564032, 573328, 987056, 1003324, 1146656, 1974112, 2006648, 2293312, 3948224, 4013296, 6444821, 8026592, 12889642, 16053184, 25779284, 45113747, 51558568, 90227494, 103117136, 180454988, 206234272, 315796229, 360909976, 412468544, 631592458, 721819952, 1263184916, 1443639904, 2526369832, 2887279808, 5052739664, 10105479328, 20210958656]

約数ペア:

[(1, 20210958656), (2, 10105479328), (4, 5052739664), (7, 2887279808), (8, 2526369832), (14, 1443639904), (16, 1263184916), (28, 721819952), (32, 631592458), (49, 412468544), (56, 360909976), (64, 315796229), (98, 206234272), (112, 180454988), (196, 103117136), (224, 90227494), (392, 51558568), (448, 45113747), (784, 25779284), (1259, 16053184), (1568, 12889642), (2518, 8026592), (3136, 6444821), (5036, 4013296), (5119, 3948224), (8813, 2293312), (10072, 2006648), (10238, 1974112), (17626, 1146656), (20144, 1003324), (20476, 987056), (35252, 573328), (35833, 564032), (40288, 501662), (40952, 493528), (61691, 327616), (70504, 286664), (71666, 282016), (80576, 250831), (81904, 246764), (123382, 163808), (141008, 143332)]