20884554

素因数分解:

$2^1\times 3^4\times {\mathrm{137}}^1\times {\mathrm{941}}^1$

素因数の和:1092

約数の個数: 40

約数和(自身を含む): 47188548

約数和(自身を除く): 26303994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 274, 411, 822, 941, 1233, 1882, 2466, 2823, 3699, 5646, 7398, 8469, 11097, 16938, 22194, 25407, 50814, 76221, 128917, 152442, 257834, 386751, 773502, 1160253, 2320506, 3480759, 6961518, 10442277, 20884554]

約数ペア:

[(1, 20884554), (2, 10442277), (3, 6961518), (6, 3480759), (9, 2320506), (18, 1160253), (27, 773502), (54, 386751), (81, 257834), (137, 152442), (162, 128917), (274, 76221), (411, 50814), (822, 25407), (941, 22194), (1233, 16938), (1882, 11097), (2466, 8469), (2823, 7398), (3699, 5646)]