20869415

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{709}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 29683680

約数和(自身を除く): 8814265

約数列:

[1, 5, 7, 29, 35, 145, 203, 709, 841, 1015, 3545, 4205, 4963, 5887, 20561, 24815, 29435, 102805, 143927, 596269, 719635, 2981345, 4173883, 20869415]

約数ペア:

[(1, 20869415), (5, 4173883), (7, 2981345), (29, 719635), (35, 596269), (145, 143927), (203, 102805), (709, 29435), (841, 24815), (1015, 20561), (3545, 5887), (4205, 4963)]