20197740537

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{254993}}^1$

素因数の和:255689

約数の個数: 24

約数和(自身を含む): 31465239624

約数和(自身を除く): 11267499087

約数列:

[1, 3, 9, 13, 39, 117, 677, 2031, 6093, 8801, 26403, 79209, 254993, 764979, 2294937, 3314909, 9944727, 29834181, 172630261, 517890783, 1553672349, 2244193393, 6732580179, 20197740537]

約数ペア:

[(1, 20197740537), (3, 6732580179), (9, 2244193393), (13, 1553672349), (39, 517890783), (117, 172630261), (677, 29834181), (2031, 9944727), (6093, 3314909), (8801, 2294937), (26403, 764979), (79209, 254993)]