20155878127

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{857}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 26568622080

約数和(自身を除く): 6412743953

約数列:

[1, 7, 11, 31, 59, 77, 167, 217, 341, 413, 649, 857, 1169, 1829, 1837, 2387, 4543, 5177, 5999, 9427, 9853, 12803, 12859, 20119, 26567, 36239, 50563, 56947, 65989, 68971, 108383, 140833, 143119, 185969, 292237, 305443, 353941, 398629, 556193, 758681, 1001833, 1567453, 1574309, 2045659, 2138101, 3359873, 3893351, 4436689, 8444021, 10972171, 11020163, 17241983, 23519111, 31056823, 48803579, 59108147, 92884231, 120693881, 261764651, 341625053, 650189617, 1832352557, 2879411161, 20155878127]

約数ペア:

[(1, 20155878127), (7, 2879411161), (11, 1832352557), (31, 650189617), (59, 341625053), (77, 261764651), (167, 120693881), (217, 92884231), (341, 59108147), (413, 48803579), (649, 31056823), (857, 23519111), (1169, 17241983), (1829, 11020163), (1837, 10972171), (2387, 8444021), (4543, 4436689), (5177, 3893351), (5999, 3359873), (9427, 2138101), (9853, 2045659), (12803, 1574309), (12859, 1567453), (20119, 1001833), (26567, 758681), (36239, 556193), (50563, 398629), (56947, 353941), (65989, 305443), (68971, 292237), (108383, 185969), (140833, 143119)]