20400535

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 25078752

約数和(自身を除く): 4678217

約数列:

[1, 5, 61, 211, 305, 317, 1055, 1585, 12871, 19337, 64355, 66887, 96685, 334435, 4080107, 20400535]

約数ペア:

[(1, 20400535), (5, 4080107), (61, 334435), (211, 96685), (305, 66887), (317, 64355), (1055, 19337), (1585, 12871)]