20765850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19777}}^1$

素因数の和:19799

約数の個数: 48

約数和(自身を含む): 58859328

約数和(自身を除く): 38093478

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19777, 39554, 59331, 98885, 118662, 138439, 197770, 276878, 296655, 415317, 494425, 593310, 692195, 830634, 988850, 1384390, 1483275, 2076585, 2966550, 3460975, 4153170, 6921950, 10382925, 20765850]

約数ペア:

[(1, 20765850), (2, 10382925), (3, 6921950), (5, 4153170), (6, 3460975), (7, 2966550), (10, 2076585), (14, 1483275), (15, 1384390), (21, 988850), (25, 830634), (30, 692195), (35, 593310), (42, 494425), (50, 415317), (70, 296655), (75, 276878), (105, 197770), (150, 138439), (175, 118662), (210, 98885), (350, 59331), (525, 39554), (1050, 19777)]