20685089103

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 32351477760

約数和(自身を除く): 11666388657

約数列:

[1, 3, 7, 21, 83, 167, 179, 249, 397, 501, 537, 581, 1169, 1191, 1253, 1743, 2779, 3507, 3759, 8337, 13861, 14857, 29893, 32951, 41583, 44571, 66299, 71063, 89679, 97027, 98853, 103999, 198897, 209251, 213189, 230657, 291081, 311997, 464093, 497441, 627753, 691971, 1392279, 1492323, 2481119, 5502817, 5898229, 7443357, 11867521, 16508451, 17367833, 17694687, 35602563, 38519719, 41287603, 52103499, 83072647, 115559157, 123862809, 249217941, 985004243, 2955012729, 6895029701, 20685089103]

約数ペア:

[(1, 20685089103), (3, 6895029701), (7, 2955012729), (21, 985004243), (83, 249217941), (167, 123862809), (179, 115559157), (249, 83072647), (397, 52103499), (501, 41287603), (537, 38519719), (581, 35602563), (1169, 17694687), (1191, 17367833), (1253, 16508451), (1743, 11867521), (2779, 7443357), (3507, 5898229), (3759, 5502817), (8337, 2481119), (13861, 1492323), (14857, 1392279), (29893, 691971), (32951, 627753), (41583, 497441), (44571, 464093), (66299, 311997), (71063, 291081), (89679, 230657), (97027, 213189), (98853, 209251), (103999, 198897)]