20161782998

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{377887}}^1$

素因数の和:378036

約数の個数: 32

約数和(自身を含む): 35841921024

約数和(自身を除く): 15680138026

約数列:

[1, 2, 7, 14, 37, 74, 103, 206, 259, 518, 721, 1442, 3811, 7622, 26677, 53354, 377887, 755774, 2645209, 5290418, 13981819, 27963638, 38922361, 77844722, 97872733, 195745466, 272456527, 544913054, 1440127357, 2880254714, 10080891499, 20161782998]

約数ペア:

[(1, 20161782998), (2, 10080891499), (7, 2880254714), (14, 1440127357), (37, 544913054), (74, 272456527), (103, 195745466), (206, 97872733), (259, 77844722), (518, 38922361), (721, 27963638), (1442, 13981819), (3811, 5290418), (7622, 2645209), (26677, 755774), (53354, 377887)]