20798720100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23109689}}^1$

素因数の和:23109709

約数の個数: 54

約数和(自身を含む): 65192435490

約数和(自身を除く): 44393715390

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, 23109689, 46219378, 69329067, 92438756, 115548445, 138658134, 207987201, 231096890, 277316268, 346645335, 415974402, 462193780, 577742225, 693290670, 831948804, 1039936005, 1155484450, 1386581340, 1733226675, 2079872010, 2310968900, 3466453350, 4159744020, 5199680025, 6932906700, 10399360050, 20798720100]

約数ペア:

[(1, 20798720100), (2, 10399360050), (3, 6932906700), (4, 5199680025), (5, 4159744020), (6, 3466453350), (9, 2310968900), (10, 2079872010), (12, 1733226675), (15, 1386581340), (18, 1155484450), (20, 1039936005), (25, 831948804), (30, 693290670), (36, 577742225), (45, 462193780), (50, 415974402), (60, 346645335), (75, 277316268), (90, 231096890), (100, 207987201), (150, 138658134), (180, 115548445), (225, 92438756), (300, 69329067), (450, 46219378), (900, 23109689)]