20258785

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 4624415

約数列:

[1, 5, 71, 149, 355, 383, 745, 1915, 10579, 27193, 52895, 57067, 135965, 285335, 4051757, 20258785]

約数ペア:

[(1, 20258785), (5, 4051757), (71, 285335), (149, 135965), (355, 57067), (383, 52895), (745, 27193), (1915, 10579)]