20789100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23099}}^1$

素因数の和:23119

約数の個数: 54

約数和(自身を含む): 65165100

約数和(自身を除く): 44376000

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, 23099, 46198, 69297, 92396, 115495, 138594, 207891, 230990, 277188, 346485, 415782, 461980, 577475, 692970, 831564, 1039455, 1154950, 1385940, 1732425, 2078910, 2309900, 3464850, 4157820, 5197275, 6929700, 10394550, 20789100]

約数ペア:

[(1, 20789100), (2, 10394550), (3, 6929700), (4, 5197275), (5, 4157820), (6, 3464850), (9, 2309900), (10, 2078910), (12, 1732425), (15, 1385940), (18, 1154950), (20, 1039455), (25, 831564), (30, 692970), (36, 577475), (45, 461980), (50, 415782), (60, 346485), (75, 277188), (90, 230990), (100, 207891), (150, 138594), (180, 115495), (225, 92396), (300, 69297), (450, 46198), (900, 23099)]