20780181366

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{373}}^1\times {\mathrm{189493}}^1$

素因数の和:189885

約数の個数: 48

約数和(自身を含む): 48475597104

約数和(自身を除く): 27695415738

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 373, 746, 1119, 2238, 2611, 5222, 7833, 15666, 18277, 36554, 54831, 109662, 189493, 378986, 568479, 1136958, 1326451, 2652902, 3979353, 7958706, 9285157, 18570314, 27855471, 55710942, 70680889, 141361778, 212042667, 424085334, 494766223, 989532446, 1484298669, 2968597338, 3463363561, 6926727122, 10390090683, 20780181366]

約数ペア:

[(1, 20780181366), (2, 10390090683), (3, 6926727122), (6, 3463363561), (7, 2968597338), (14, 1484298669), (21, 989532446), (42, 494766223), (49, 424085334), (98, 212042667), (147, 141361778), (294, 70680889), (373, 55710942), (746, 27855471), (1119, 18570314), (2238, 9285157), (2611, 7958706), (5222, 3979353), (7833, 2652902), (15666, 1326451), (18277, 1136958), (36554, 568479), (54831, 378986), (109662, 189493)]