20052021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11466699

約数列:

[1, 3, 11, 23, 29, 33, 69, 87, 253, 319, 667, 759, 911, 957, 2001, 2733, 7337, 10021, 20953, 22011, 26419, 30063, 62859, 79257, 230483, 290609, 607637, 691449, 871827, 1822911, 6684007, 20052021]

約数ペア:

[(1, 20052021), (3, 6684007), (11, 1822911), (23, 871827), (29, 691449), (33, 607637), (69, 290609), (87, 230483), (253, 79257), (319, 62859), (667, 30063), (759, 26419), (911, 22011), (957, 20953), (2001, 10021), (2733, 7337)]