20105425

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 25926912

約数和(自身を除く): 5821487

約数列:

[1, 5, 25, 47, 71, 235, 241, 355, 1175, 1205, 1775, 3337, 6025, 11327, 16685, 17111, 56635, 83425, 85555, 283175, 427775, 804217, 4021085, 20105425]

約数ペア:

[(1, 20105425), (5, 4021085), (25, 804217), (47, 427775), (71, 283175), (235, 85555), (241, 83425), (355, 56635), (1175, 17111), (1205, 16685), (1775, 11327), (3337, 6025)]