20621496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{937}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 59431680

約数和(自身を除く): 38810184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 937, 1048, 1572, 1834, 1874, 2751, 2811, 3144, 3668, 3748, 5502, 5622, 6559, 7336, 7496, 11004, 11244, 13118, 19677, 22008, 22488, 26236, 39354, 52472, 78708, 122747, 157416, 245494, 368241, 490988, 736482, 859229, 981976, 1472964, 1718458, 2577687, 2945928, 3436916, 5155374, 6873832, 10310748, 20621496]

約数ペア:

[(1, 20621496), (2, 10310748), (3, 6873832), (4, 5155374), (6, 3436916), (7, 2945928), (8, 2577687), (12, 1718458), (14, 1472964), (21, 981976), (24, 859229), (28, 736482), (42, 490988), (56, 368241), (84, 245494), (131, 157416), (168, 122747), (262, 78708), (393, 52472), (524, 39354), (786, 26236), (917, 22488), (937, 22008), (1048, 19677), (1572, 13118), (1834, 11244), (1874, 11004), (2751, 7496), (2811, 7336), (3144, 6559), (3668, 5622), (3748, 5502)]