20316525

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6607}}^1$

素因数の和:6661

約数の個数: 24

約数和(自身を含む): 34414464

約数和(自身を除く): 14097939

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6607, 19821, 33035, 99105, 165175, 270887, 495525, 812661, 1354435, 4063305, 6772175, 20316525]

約数ペア:

[(1, 20316525), (3, 6772175), (5, 4063305), (15, 1354435), (25, 812661), (41, 495525), (75, 270887), (123, 165175), (205, 99105), (615, 33035), (1025, 19821), (3075, 6607)]