20408048386984

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{83}}^2\times {\mathrm{16100059}}^1$

素因数の和:16100254

約数の個数: 48

約数和(自身を含む): 40415658616800

約数和(自身を除く): 20007610229816

約数列:

[1, 2, 4, 8, 23, 46, 83, 92, 166, 184, 332, 664, 1909, 3818, 6889, 7636, 13778, 15272, 27556, 55112, 158447, 316894, 633788, 1267576, 16100059, 32200118, 64400236, 128800472, 370301357, 740602714, 1336304897, 1481205428, 2672609794, 2962410856, 5345219588, 10690439176, 30735012631, 61470025262, 110913306451, 122940050524, 221826612902, 245880101048, 443653225804, 887306451608, 2551006048373, 5102012096746, 10204024193492, 20408048386984]

約数ペア:

[(1, 20408048386984), (2, 10204024193492), (4, 5102012096746), (8, 2551006048373), (23, 887306451608), (46, 443653225804), (83, 245880101048), (92, 221826612902), (166, 122940050524), (184, 110913306451), (332, 61470025262), (664, 30735012631), (1909, 10690439176), (3818, 5345219588), (6889, 2962410856), (7636, 2672609794), (13778, 1481205428), (15272, 1336304897), (27556, 740602714), (55112, 370301357), (158447, 128800472), (316894, 64400236), (633788, 32200118), (1267576, 16100059)]