20286080

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1093}}^1$

素因数の和:1141

約数の個数: 64

約数和(自身を含む): 50214600

約数和(自身を除く): 29928520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1093, 1160, 1856, 2186, 2320, 3712, 4372, 4640, 5465, 8744, 9280, 10930, 17488, 18560, 21860, 31697, 34976, 43720, 63394, 69952, 87440, 126788, 139904, 158485, 174880, 253576, 316970, 349760, 507152, 633940, 699520, 1014304, 1267880, 2028608, 2535760, 4057216, 5071520, 10143040, 20286080]

約数ペア:

[(1, 20286080), (2, 10143040), (4, 5071520), (5, 4057216), (8, 2535760), (10, 2028608), (16, 1267880), (20, 1014304), (29, 699520), (32, 633940), (40, 507152), (58, 349760), (64, 316970), (80, 253576), (116, 174880), (128, 158485), (145, 139904), (160, 126788), (232, 87440), (290, 69952), (320, 63394), (464, 43720), (580, 34976), (640, 31697), (928, 21860), (1093, 18560), (1160, 17488), (1856, 10930), (2186, 9280), (2320, 8744), (3712, 5465), (4372, 4640)]