20411853

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 35495040

約数和(自身を除く): 15083187

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 121, 203, 231, 277, 319, 363, 609, 831, 847, 957, 1939, 2233, 2541, 3047, 3509, 5817, 6699, 8033, 9141, 10527, 21329, 24099, 24563, 33517, 56231, 63987, 73689, 88363, 100551, 168693, 234619, 265089, 618541, 703857, 971993, 1855623, 2915979, 6803951, 20411853]

約数ペア:

[(1, 20411853), (3, 6803951), (7, 2915979), (11, 1855623), (21, 971993), (29, 703857), (33, 618541), (77, 265089), (87, 234619), (121, 168693), (203, 100551), (231, 88363), (277, 73689), (319, 63987), (363, 56231), (609, 33517), (831, 24563), (847, 24099), (957, 21329), (1939, 10527), (2233, 9141), (2541, 8033), (3047, 6699), (3509, 5817)]