20165010128

素因数分解:

$2^4\times {\mathrm{118819}}^1\times {\mathrm{10607}}^1$

素因数の和:129434

約数の個数: 20

約数和(自身を含む): 39073719360

約数和(自身を除く): 18908709232

約数列:

[1, 2, 4, 8, 16, 10607, 21214, 42428, 84856, 118819, 169712, 237638, 475276, 950552, 1901104, 1260313133, 2520626266, 5041252532, 10082505064, 20165010128]

約数ペア:

[(1, 20165010128), (2, 10082505064), (4, 5041252532), (8, 2520626266), (16, 1260313133), (10607, 1901104), (21214, 950552), (42428, 475276), (84856, 237638), (118819, 169712)]