20774820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31477}}^1$

素因数の和:31500

約数の個数: 48

約数和(自身を含む): 63459648

約数和(自身を除く): 42684828

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31477, 62954, 94431, 125908, 157385, 188862, 314770, 346247, 377724, 472155, 629540, 692494, 944310, 1038741, 1384988, 1731235, 1888620, 2077482, 3462470, 4154964, 5193705, 6924940, 10387410, 20774820]

約数ペア:

[(1, 20774820), (2, 10387410), (3, 6924940), (4, 5193705), (5, 4154964), (6, 3462470), (10, 2077482), (11, 1888620), (12, 1731235), (15, 1384988), (20, 1038741), (22, 944310), (30, 692494), (33, 629540), (44, 472155), (55, 377724), (60, 346247), (66, 314770), (110, 188862), (132, 157385), (165, 125908), (220, 94431), (330, 62954), (660, 31477)]