20088945

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2221}}^1$

素因数の和:2302

約数の個数: 32

約数和(自身を含む): 36263040

約数和(自身を除く): 16174095

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 2221, 3015, 6663, 9045, 11105, 19989, 33315, 59967, 99945, 148807, 299835, 446421, 744035, 1339263, 2232105, 4017789, 6696315, 20088945]

約数ペア:

[(1, 20088945), (3, 6696315), (5, 4017789), (9, 2232105), (15, 1339263), (27, 744035), (45, 446421), (67, 299835), (135, 148807), (201, 99945), (335, 59967), (603, 33315), (1005, 19989), (1809, 11105), (2221, 9045), (3015, 6663)]