20330597

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 24406272

約数和(自身を除く): 4075675

約数列:

[1, 7, 23, 161, 197, 641, 1379, 4487, 4531, 14743, 31717, 103201, 126277, 883939, 2904371, 20330597]

約数ペア:

[(1, 20330597), (7, 2904371), (23, 883939), (161, 126277), (197, 103201), (641, 31717), (1379, 14743), (4487, 4531)]