20131423

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 22790880

約数和(自身を除く): 2659457

約数列:

[1, 13, 29, 67, 377, 797, 871, 1943, 10361, 23113, 25259, 53399, 300469, 694187, 1548571, 20131423]

約数ペア:

[(1, 20131423), (13, 1548571), (29, 694187), (67, 300469), (377, 53399), (797, 25259), (871, 23113), (1943, 10361)]