20199208461

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2222

約数の個数: 64

約数和(自身を含む): 30245757696

約数和(自身を除く): 10046549235

約数列:

[1, 3, 17, 37, 41, 51, 111, 123, 131, 393, 629, 697, 1517, 1887, 1993, 2091, 2227, 4551, 4847, 5371, 5979, 6681, 14541, 16113, 25789, 33881, 73741, 77367, 81713, 82399, 91307, 101643, 198727, 221223, 245139, 247197, 261083, 273921, 596181, 783249, 1253597, 1389121, 3023381, 3378359, 3760791, 4167363, 4438411, 9070143, 9660071, 10135077, 10704403, 13315233, 28980213, 32113209, 51397477, 154192431, 164221207, 181974851, 396062911, 492663621, 545924553, 1188188733, 6733069487, 20199208461]

約数ペア:

[(1, 20199208461), (3, 6733069487), (17, 1188188733), (37, 545924553), (41, 492663621), (51, 396062911), (111, 181974851), (123, 164221207), (131, 154192431), (393, 51397477), (629, 32113209), (697, 28980213), (1517, 13315233), (1887, 10704403), (1993, 10135077), (2091, 9660071), (2227, 9070143), (4551, 4438411), (4847, 4167363), (5371, 3760791), (5979, 3378359), (6681, 3023381), (14541, 1389121), (16113, 1253597), (25789, 783249), (33881, 596181), (73741, 273921), (77367, 261083), (81713, 247197), (82399, 245139), (91307, 221223), (101643, 198727)]