20808429421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{515839}}^1$

素因数の和:515988

約数の個数: 16

約数和(自身を含む): 23398502400

約数和(自身を除く): 2590072979

約数列:

[1, 13, 29, 107, 377, 1391, 3103, 40339, 515839, 6705907, 14959331, 55194773, 194471303, 717532049, 1600648417, 20808429421]

約数ペア:

[(1, 20808429421), (13, 1600648417), (29, 717532049), (107, 194471303), (377, 55194773), (1391, 14959331), (3103, 6705907), (40339, 515839)]