20451189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6389}}^1$

素因数の和:6500

約数の個数: 16

約数和(自身を含む): 30058560

約数和(自身を除く): 9607371

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 6389, 19167, 70279, 210837, 619733, 1859199, 6817063, 20451189]

約数ペア:

[(1, 20451189), (3, 6817063), (11, 1859199), (33, 619733), (97, 210837), (291, 70279), (1067, 19167), (3201, 6389)]