20112557731

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1\times {\mathrm{1087}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 23764008960

約数和(自身を除く): 3651451229

約数列:

[1, 7, 59, 71, 413, 497, 631, 1087, 4189, 4417, 7609, 29323, 37229, 44801, 64133, 77177, 260603, 313607, 448931, 540239, 685897, 2643259, 4553443, 4801279, 18502813, 31874101, 40467923, 48698687, 283275461, 340890809, 2873222533, 20112557731]

約数ペア:

[(1, 20112557731), (7, 2873222533), (59, 340890809), (71, 283275461), (413, 48698687), (497, 40467923), (631, 31874101), (1087, 18502813), (4189, 4801279), (4417, 4553443), (7609, 2643259), (29323, 685897), (37229, 540239), (44801, 448931), (64133, 313607), (77177, 260603)]