20089755

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{3037}}^1$

素因数の和:3065

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 21470085

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 3037, 6615, 9111, 15185, 21259, 27333, 45555, 63777, 81999, 106295, 136665, 148813, 191331, 318885, 409995, 446439, 573993, 744065, 956655, 1339317, 2232195, 2869965, 4017951, 6696585, 20089755]

約数ペア:

[(1, 20089755), (3, 6696585), (5, 4017951), (7, 2869965), (9, 2232195), (15, 1339317), (21, 956655), (27, 744065), (35, 573993), (45, 446439), (49, 409995), (63, 318885), (105, 191331), (135, 148813), (147, 136665), (189, 106295), (245, 81999), (315, 63777), (441, 45555), (735, 27333), (945, 21259), (1323, 15185), (2205, 9111), (3037, 6615)]