20370889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4337}}^1$

素因数の和:4416

約数の個数: 16

約数和(自身を含む): 25819776

約数和(自身を除く): 5448887

約数列:

[1, 7, 11, 61, 77, 427, 671, 4337, 4697, 30359, 47707, 264557, 333949, 1851899, 2910127, 20370889]

約数ペア:

[(1, 20370889), (7, 2910127), (11, 1851899), (61, 333949), (77, 264557), (427, 47707), (671, 30359), (4337, 4697)]