2020178740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{13711}}^1$

素因数の和:13912

約数の個数: 48

約数和(自身を含む): 4353834240

約数和(自身を除く): 2333655500

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 139, 212, 265, 278, 530, 556, 695, 1060, 1390, 2780, 7367, 13711, 14734, 27422, 29468, 36835, 54844, 68555, 73670, 137110, 147340, 274220, 726683, 1453366, 1905829, 2906732, 3633415, 3811658, 7266830, 7623316, 9529145, 14533660, 19058290, 38116580, 101008937, 202017874, 404035748, 505044685, 1010089370, 2020178740]

約数ペア:

[(1, 2020178740), (2, 1010089370), (4, 505044685), (5, 404035748), (10, 202017874), (20, 101008937), (53, 38116580), (106, 19058290), (139, 14533660), (212, 9529145), (265, 7623316), (278, 7266830), (530, 3811658), (556, 3633415), (695, 2906732), (1060, 1905829), (1390, 1453366), (2780, 726683), (7367, 274220), (13711, 147340), (14734, 137110), (27422, 73670), (29468, 68555), (36835, 54844)]