20313671

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 23861568

約数和(自身を除く): 3547897

約数列:

[1, 7, 61, 113, 421, 427, 791, 2947, 6893, 25681, 47573, 48251, 179767, 333011, 2901953, 20313671]

約数ペア:

[(1, 20313671), (7, 2901953), (61, 333011), (113, 179767), (421, 48251), (427, 47573), (791, 25681), (2947, 6893)]