20194566

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 27206634

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 149, 294, 298, 447, 461, 894, 922, 1043, 1383, 2086, 2766, 3129, 3227, 6258, 6454, 7301, 9681, 14602, 19362, 21903, 22589, 43806, 45178, 67767, 68689, 135534, 137378, 206067, 412134, 480823, 961646, 1442469, 2884938, 3365761, 6731522, 10097283, 20194566]

約数ペア:

[(1, 20194566), (2, 10097283), (3, 6731522), (6, 3365761), (7, 2884938), (14, 1442469), (21, 961646), (42, 480823), (49, 412134), (98, 206067), (147, 137378), (149, 135534), (294, 68689), (298, 67767), (447, 45178), (461, 43806), (894, 22589), (922, 21903), (1043, 19362), (1383, 14602), (2086, 9681), (2766, 7301), (3129, 6454), (3227, 6258)]