20428128

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10133}}^1$

素因数の和:10156

約数の個数: 72

約数和(自身を含む): 66397968

約数和(自身を除く): 45969840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10133, 20266, 30399, 40532, 60798, 70931, 81064, 91197, 121596, 141862, 162128, 182394, 212793, 243192, 283724, 324256, 364788, 425586, 486384, 567448, 638379, 729576, 851172, 972768, 1134896, 1276758, 1459152, 1702344, 2269792, 2553516, 2918304, 3404688, 5107032, 6809376, 10214064, 20428128]

約数ペア:

[(1, 20428128), (2, 10214064), (3, 6809376), (4, 5107032), (6, 3404688), (7, 2918304), (8, 2553516), (9, 2269792), (12, 1702344), (14, 1459152), (16, 1276758), (18, 1134896), (21, 972768), (24, 851172), (28, 729576), (32, 638379), (36, 567448), (42, 486384), (48, 425586), (56, 364788), (63, 324256), (72, 283724), (84, 243192), (96, 212793), (112, 182394), (126, 162128), (144, 141862), (168, 121596), (224, 91197), (252, 81064), (288, 70931), (336, 60798), (504, 40532), (672, 30399), (1008, 20266), (2016, 10133)]