20869144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{547}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 41428800

約数和(自身を除く): 20559656

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 251, 502, 547, 1004, 1094, 2008, 2188, 4376, 4769, 9538, 10393, 19076, 20786, 38152, 41572, 83144, 137297, 274594, 549188, 1098376, 2608643, 5217286, 10434572, 20869144]

約数ペア:

[(1, 20869144), (2, 10434572), (4, 5217286), (8, 2608643), (19, 1098376), (38, 549188), (76, 274594), (152, 137297), (251, 83144), (502, 41572), (547, 38152), (1004, 20786), (1094, 19076), (2008, 10393), (2188, 9538), (4376, 4769)]