20888100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23209}}^1$

素因数の和:23229

約数の個数: 54

約数和(自身を含む): 65475410

約数和(自身を除く): 44587310

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23209, 46418, 69627, 92836, 116045, 139254, 208881, 232090, 278508, 348135, 417762, 464180, 580225, 696270, 835524, 1044405, 1160450, 1392540, 1740675, 2088810, 2320900, 3481350, 4177620, 5222025, 6962700, 10444050, 20888100]

約数ペア:

[(1, 20888100), (2, 10444050), (3, 6962700), (4, 5222025), (5, 4177620), (6, 3481350), (9, 2320900), (10, 2088810), (12, 1740675), (15, 1392540), (18, 1160450), (20, 1044405), (25, 835524), (30, 696270), (36, 580225), (45, 464180), (50, 417762), (60, 348135), (75, 278508), (90, 232090), (100, 208881), (150, 139254), (180, 116045), (225, 92836), (300, 69627), (450, 46418), (900, 23209)]