20527415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 27480384

約数和(自身を除く): 6952969

約数列:

[1, 5, 17, 37, 61, 85, 107, 185, 305, 535, 629, 1037, 1819, 2257, 3145, 3959, 5185, 6527, 9095, 11285, 19795, 32635, 38369, 67303, 110959, 191845, 241499, 336515, 554795, 1207495, 4105483, 20527415]

約数ペア:

[(1, 20527415), (5, 4105483), (17, 1207495), (37, 554795), (61, 336515), (85, 241499), (107, 191845), (185, 110959), (305, 67303), (535, 38369), (629, 32635), (1037, 19795), (1819, 11285), (2257, 9095), (3145, 6527), (3959, 5185)]