20471483648

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1038529}}^1$

素因数の和:1038563

約数の個数: 72

約数和(自身を含む): 50946127680

約数和(自身を除く): 30474644032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1232, 1408, 1792, 2464, 2816, 4928, 9856, 19712, 1038529, 2077058, 4154116, 7269703, 8308232, 11423819, 14539406, 16616464, 22847638, 29078812, 33232928, 45695276, 58157624, 66465856, 79966733, 91390552, 116315248, 132931712, 159933466, 182781104, 232630496, 265863424, 319866932, 365562208, 465260992, 639733864, 731124416, 930521984, 1279467728, 1462248832, 1861043968, 2558935456, 2924497664, 5117870912, 10235741824, 20471483648]

約数ペア:

[(1, 20471483648), (2, 10235741824), (4, 5117870912), (7, 2924497664), (8, 2558935456), (11, 1861043968), (14, 1462248832), (16, 1279467728), (22, 930521984), (28, 731124416), (32, 639733864), (44, 465260992), (56, 365562208), (64, 319866932), (77, 265863424), (88, 232630496), (112, 182781104), (128, 159933466), (154, 132931712), (176, 116315248), (224, 91390552), (256, 79966733), (308, 66465856), (352, 58157624), (448, 45695276), (616, 33232928), (704, 29078812), (896, 22847638), (1232, 16616464), (1408, 14539406), (1792, 11423819), (2464, 8308232), (2816, 7269703), (4928, 4154116), (9856, 2077058), (19712, 1038529)]