20438096

素因数分解:

$2^4\times 7^2\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 60

約数和(自身を含む): 46648800

約数和(自身を除く): 26210704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 131, 196, 199, 262, 392, 398, 524, 784, 796, 917, 1048, 1393, 1592, 1834, 2096, 2786, 3184, 3668, 5572, 6419, 7336, 9751, 11144, 12838, 14672, 19502, 22288, 25676, 26069, 39004, 51352, 52138, 78008, 102704, 104276, 156016, 182483, 208552, 364966, 417104, 729932, 1277381, 1459864, 2554762, 2919728, 5109524, 10219048, 20438096]

約数ペア:

[(1, 20438096), (2, 10219048), (4, 5109524), (7, 2919728), (8, 2554762), (14, 1459864), (16, 1277381), (28, 729932), (49, 417104), (56, 364966), (98, 208552), (112, 182483), (131, 156016), (196, 104276), (199, 102704), (262, 78008), (392, 52138), (398, 51352), (524, 39004), (784, 26069), (796, 25676), (917, 22288), (1048, 19502), (1393, 14672), (1592, 12838), (1834, 11144), (2096, 9751), (2786, 7336), (3184, 6419), (3668, 5572)]