20450045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53117}}^1$

素因数の和:53140

約数の個数: 16

約数和(自身を含む): 30595968

約数和(自身を除く): 10145923

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53117, 265585, 371819, 584287, 1859095, 2921435, 4090009, 20450045]

約数ペア:

[(1, 20450045), (5, 4090009), (7, 2921435), (11, 1859095), (35, 584287), (55, 371819), (77, 265585), (385, 53117)]