20745048

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 33375912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 53, 94, 106, 141, 159, 188, 212, 282, 318, 347, 376, 424, 564, 636, 694, 1041, 1128, 1272, 1388, 2082, 2491, 2776, 4164, 4982, 7473, 8328, 9964, 14946, 16309, 18391, 19928, 29892, 32618, 36782, 48927, 55173, 59784, 65236, 73564, 97854, 110346, 130472, 147128, 195708, 220692, 391416, 441384, 864377, 1728754, 2593131, 3457508, 5186262, 6915016, 10372524, 20745048]

約数ペア:

[(1, 20745048), (2, 10372524), (3, 6915016), (4, 5186262), (6, 3457508), (8, 2593131), (12, 1728754), (24, 864377), (47, 441384), (53, 391416), (94, 220692), (106, 195708), (141, 147128), (159, 130472), (188, 110346), (212, 97854), (282, 73564), (318, 65236), (347, 59784), (376, 55173), (424, 48927), (564, 36782), (636, 32618), (694, 29892), (1041, 19928), (1128, 18391), (1272, 16309), (1388, 14946), (2082, 9964), (2491, 8328), (2776, 7473), (4164, 4982)]