20955240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19403}}^1$

素因数の和:19423

約数の個数: 64

約数和(自身を含む): 69854400

約数和(自身を除く): 48899160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19403, 38806, 58209, 77612, 97015, 116418, 155224, 174627, 194030, 232836, 291045, 349254, 388060, 465672, 523881, 582090, 698508, 776120, 873135, 1047762, 1164180, 1397016, 1746270, 2095524, 2328360, 2619405, 3492540, 4191048, 5238810, 6985080, 10477620, 20955240]

約数ペア:

[(1, 20955240), (2, 10477620), (3, 6985080), (4, 5238810), (5, 4191048), (6, 3492540), (8, 2619405), (9, 2328360), (10, 2095524), (12, 1746270), (15, 1397016), (18, 1164180), (20, 1047762), (24, 873135), (27, 776120), (30, 698508), (36, 582090), (40, 523881), (45, 465672), (54, 388060), (60, 349254), (72, 291045), (90, 232836), (108, 194030), (120, 174627), (135, 155224), (180, 116418), (216, 97015), (270, 77612), (360, 58209), (540, 38806), (1080, 19403)]