20450560389

素因数分解:

$3^1\times 7^1\times {\mathrm{22937}}^1\times {\mathrm{42457}}^1$

素因数の和:65404

約数の個数: 16

約数和(自身を含む): 31164851328

約数和(自身を除く): 10714290939

約数列:

[1, 3, 7, 21, 22937, 42457, 68811, 127371, 160559, 297199, 481677, 891597, 973836209, 2921508627, 6816853463, 20450560389]

約数ペア:

[(1, 20450560389), (3, 6816853463), (7, 2921508627), (21, 973836209), (22937, 891597), (42457, 481677), (68811, 297199), (127371, 160559)]