20535385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3257}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 26819856

約数和(自身を除く): 6284471

約数列:

[1, 5, 13, 65, 97, 485, 1261, 3257, 6305, 16285, 42341, 211705, 315929, 1579645, 4107077, 20535385]

約数ペア:

[(1, 20535385), (5, 4107077), (13, 1579645), (65, 315929), (97, 211705), (485, 42341), (1261, 16285), (3257, 6305)]