20527143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4423}}^1$

素因数の和:4463

約数の個数: 32

約数和(自身を含む): 35675136

約数和(自身を除く): 15147993

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4423, 4641, 13269, 30961, 57499, 75191, 92883, 172497, 225573, 402493, 526337, 977483, 1207479, 1579011, 2932449, 6842381, 20527143]

約数ペア:

[(1, 20527143), (3, 6842381), (7, 2932449), (13, 1579011), (17, 1207479), (21, 977483), (39, 526337), (51, 402493), (91, 225573), (119, 172497), (221, 92883), (273, 75191), (357, 57499), (663, 30961), (1547, 13269), (4423, 4641)]