20346739280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{83911}}^1$

素因数の和:84364

約数の個数: 80

約数和(自身を含む): 54189698304

約数和(自身を除く): 33842959024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 433, 560, 866, 1732, 2165, 3031, 3464, 4330, 6062, 6928, 8660, 12124, 15155, 17320, 24248, 30310, 34640, 48496, 60620, 83911, 121240, 167822, 242480, 335644, 419555, 587377, 671288, 839110, 1174754, 1342576, 1678220, 2349508, 2936885, 3356440, 4699016, 5873770, 6712880, 9398032, 11747540, 23495080, 36333463, 46990160, 72666926, 145333852, 181667315, 254334241, 290667704, 363334630, 508668482, 581335408, 726669260, 1017336964, 1271671205, 1453338520, 2034673928, 2543342410, 2906677040, 4069347856, 5086684820, 10173369640, 20346739280]

約数ペア:

[(1, 20346739280), (2, 10173369640), (4, 5086684820), (5, 4069347856), (7, 2906677040), (8, 2543342410), (10, 2034673928), (14, 1453338520), (16, 1271671205), (20, 1017336964), (28, 726669260), (35, 581335408), (40, 508668482), (56, 363334630), (70, 290667704), (80, 254334241), (112, 181667315), (140, 145333852), (280, 72666926), (433, 46990160), (560, 36333463), (866, 23495080), (1732, 11747540), (2165, 9398032), (3031, 6712880), (3464, 5873770), (4330, 4699016), (6062, 3356440), (6928, 2936885), (8660, 2349508), (12124, 1678220), (15155, 1342576), (17320, 1174754), (24248, 839110), (30310, 671288), (34640, 587377), (48496, 419555), (60620, 335644), (83911, 242480), (121240, 167822)]