20404132

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2689}}^1$

素因数の和:2971

約数の個数: 24

約数和(自身を含む): 40974080

約数和(自身を除く): 20569948

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 2689, 3794, 5378, 7588, 10756, 18823, 37646, 75292, 728719, 1457438, 2914876, 5101033, 10202066, 20404132]

約数ペア:

[(1, 20404132), (2, 10202066), (4, 5101033), (7, 2914876), (14, 1457438), (28, 728719), (271, 75292), (542, 37646), (1084, 18823), (1897, 10756), (2689, 7588), (3794, 5378)]