20122007

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 22118400

約数和(自身を除く): 1996393

約数列:

[1, 19, 31, 127, 269, 589, 2413, 3937, 5111, 8339, 34163, 74803, 158441, 649097, 1059053, 20122007]

約数ペア:

[(1, 20122007), (19, 1059053), (31, 649097), (127, 158441), (269, 74803), (589, 34163), (2413, 8339), (3937, 5111)]