20705843522

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^2$

素因数の和:4935

約数の個数: 48

約数和(自身を含む): 40254527040

約数和(自身を除く): 19548683518

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 2447, 3458, 4894, 17129, 31811, 34258, 46493, 63622, 92986, 222677, 325451, 445354, 604409, 650902, 1208818, 4230863, 5987809, 8461726, 11975618, 41914663, 77841517, 83829326, 113768371, 155683034, 227536742, 544890619, 796378597, 1089781238, 1478988823, 1592757194, 2957977646, 10352921761, 20705843522]

約数ペア:

[(1, 20705843522), (2, 10352921761), (7, 2957977646), (13, 1592757194), (14, 1478988823), (19, 1089781238), (26, 796378597), (38, 544890619), (91, 227536742), (133, 155683034), (182, 113768371), (247, 83829326), (266, 77841517), (494, 41914663), (1729, 11975618), (2447, 8461726), (3458, 5987809), (4894, 4230863), (17129, 1208818), (31811, 650902), (34258, 604409), (46493, 445354), (63622, 325451), (92986, 222677)]