20325900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9679}}^1$

素因数の和:9703

約数の個数: 72

約数和(自身を含む): 67217920

約数和(自身を除く): 46892020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9679, 19358, 29037, 38716, 48395, 58074, 67753, 96790, 116148, 135506, 145185, 193580, 203259, 241975, 271012, 290370, 338765, 406518, 483950, 580740, 677530, 725925, 813036, 967900, 1016295, 1355060, 1451850, 1693825, 2032590, 2903700, 3387650, 4065180, 5081475, 6775300, 10162950, 20325900]

約数ペア:

[(1, 20325900), (2, 10162950), (3, 6775300), (4, 5081475), (5, 4065180), (6, 3387650), (7, 2903700), (10, 2032590), (12, 1693825), (14, 1451850), (15, 1355060), (20, 1016295), (21, 967900), (25, 813036), (28, 725925), (30, 677530), (35, 580740), (42, 483950), (50, 406518), (60, 338765), (70, 290370), (75, 271012), (84, 241975), (100, 203259), (105, 193580), (140, 145185), (150, 135506), (175, 116148), (210, 96790), (300, 67753), (350, 58074), (420, 48395), (525, 38716), (700, 29037), (1050, 19358), (2100, 9679)]