20687166717

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3107581}}^1$

素因数の和:3107908

約数の個数: 16

約数和(自身を含む): 31622754432

約数和(自身を除く): 10935587715

約数列:

[1, 3, 7, 21, 317, 951, 2219, 6657, 3107581, 9322743, 21753067, 65259201, 985103177, 2955309531, 6895722239, 20687166717]

約数ペア:

[(1, 20687166717), (3, 6895722239), (7, 2955309531), (21, 985103177), (317, 65259201), (951, 21753067), (2219, 9322743), (6657, 3107581)]