20328987

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42089}}^1$

素因数の和:42122

約数の個数: 16

約数和(自身を含む): 32325120

約数和(自身を除く): 11996133

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42089, 126267, 294623, 883869, 968047, 2904141, 6776329, 20328987]

約数ペア:

[(1, 20328987), (3, 6776329), (7, 2904141), (21, 968047), (23, 883869), (69, 294623), (161, 126267), (483, 42089)]