20210571385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2475269}}^1$

素因数の和:2475368

約数の個数: 16

約数和(自身を含む): 25663599360

約数和(自身を除く): 5453027975

約数列:

[1, 5, 23, 71, 115, 355, 1633, 8165, 2475269, 12376345, 56931187, 175744099, 284655935, 878720495, 4042114277, 20210571385]

約数ペア:

[(1, 20210571385), (5, 4042114277), (23, 878720495), (71, 284655935), (115, 175744099), (355, 56931187), (1633, 12376345), (8165, 2475269)]