20199685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1307}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 26557632

約数和(自身を除く): 6357947

約数列:

[1, 5, 11, 55, 281, 1307, 1405, 3091, 6535, 14377, 15455, 71885, 367267, 1836335, 4039937, 20199685]

約数ペア:

[(1, 20199685), (5, 4039937), (11, 1836335), (55, 367267), (281, 71885), (1307, 15455), (1405, 14377), (3091, 6535)]