20165608323

素因数分解:

$3^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{107089}}^1$

素因数の和:107177

約数の個数: 48

約数和(自身を含む): 34525816000

約数和(自身を除く): 14360207677

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 343, 427, 441, 549, 1029, 1281, 2989, 3087, 3843, 8967, 20923, 26901, 62769, 107089, 188307, 321267, 749623, 963801, 2248869, 5247361, 6532429, 6746607, 15742083, 19597287, 36731527, 45727003, 47226249, 58791861, 110194581, 137181009, 320089021, 330583743, 411543027, 960267063, 2240623147, 2880801189, 6721869441, 20165608323]

約数ペア:

[(1, 20165608323), (3, 6721869441), (7, 2880801189), (9, 2240623147), (21, 960267063), (49, 411543027), (61, 330583743), (63, 320089021), (147, 137181009), (183, 110194581), (343, 58791861), (427, 47226249), (441, 45727003), (549, 36731527), (1029, 19597287), (1281, 15742083), (2989, 6746607), (3087, 6532429), (3843, 5247361), (8967, 2248869), (20923, 963801), (26901, 749623), (62769, 321267), (107089, 188307)]