20139821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 22342320

約数和(自身を除く): 2202499

約数列:

[1, 13, 61, 109, 233, 793, 1417, 3029, 6649, 14213, 25397, 86437, 184769, 330161, 1549217, 20139821]

約数ペア:

[(1, 20139821), (13, 1549217), (61, 330161), (109, 184769), (233, 86437), (793, 25397), (1417, 14213), (3029, 6649)]