20430935

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20129}}^1$

素因数の和:20170

約数の個数: 16

約数和(自身を含む): 28987200

約数和(自身を除く): 8556265

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 20129, 100645, 140903, 583741, 704515, 2918705, 4086187, 20430935]

約数ペア:

[(1, 20430935), (5, 4086187), (7, 2918705), (29, 704515), (35, 583741), (145, 140903), (203, 100645), (1015, 20129)]