20216502564

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{82217}}^1$

素因数の和:82916

約数の個数: 48

約数和(自身を含む): 48767771136

約数和(自身を除く): 28551268572

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 661, 1322, 1983, 2644, 3966, 7932, 20491, 40982, 61473, 81964, 82217, 122946, 164434, 245892, 246651, 328868, 493302, 986604, 2548727, 5097454, 7646181, 10194908, 15292362, 30584724, 54345437, 108690874, 163036311, 217381748, 326072622, 652145244, 1684708547, 3369417094, 5054125641, 6738834188, 10108251282, 20216502564]

約数ペア:

[(1, 20216502564), (2, 10108251282), (3, 6738834188), (4, 5054125641), (6, 3369417094), (12, 1684708547), (31, 652145244), (62, 326072622), (93, 217381748), (124, 163036311), (186, 108690874), (372, 54345437), (661, 30584724), (1322, 15292362), (1983, 10194908), (2644, 7646181), (3966, 5097454), (7932, 2548727), (20491, 986604), (40982, 493302), (61473, 328868), (81964, 246651), (82217, 245892), (122946, 164434)]