20298474

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2355

約数の個数: 48

約数和(自身を含む): 50993280

約数和(自身を除く): 30694806

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2269, 2982, 4473, 4538, 6807, 8946, 13614, 15883, 20421, 31766, 40842, 47649, 95298, 142947, 161099, 285894, 322198, 483297, 966594, 1127693, 1449891, 2255386, 2899782, 3383079, 6766158, 10149237, 20298474]

約数ペア:

[(1, 20298474), (2, 10149237), (3, 6766158), (6, 3383079), (7, 2899782), (9, 2255386), (14, 1449891), (18, 1127693), (21, 966594), (42, 483297), (63, 322198), (71, 285894), (126, 161099), (142, 142947), (213, 95298), (426, 47649), (497, 40842), (639, 31766), (994, 20421), (1278, 15883), (1491, 13614), (2269, 8946), (2982, 6807), (4473, 4538)]