20443290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13907}}^1$

素因数の和:13931

約数の個数: 48

約数和(自身を含む): 57078432

約数和(自身を除く): 36635142

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13907, 27814, 41721, 69535, 83442, 97349, 139070, 194698, 208605, 292047, 417210, 486745, 584094, 681443, 973490, 1362886, 1460235, 2044329, 2920470, 3407215, 4088658, 6814430, 10221645, 20443290]

約数ペア:

[(1, 20443290), (2, 10221645), (3, 6814430), (5, 4088658), (6, 3407215), (7, 2920470), (10, 2044329), (14, 1460235), (15, 1362886), (21, 973490), (30, 681443), (35, 584094), (42, 486745), (49, 417210), (70, 292047), (98, 208605), (105, 194698), (147, 139070), (210, 97349), (245, 83442), (294, 69535), (490, 41721), (735, 27814), (1470, 13907)]