20933045

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 29915424

約数和(自身を除く): 8982379

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 1987, 2107, 9935, 10535, 13909, 69545, 85441, 97363, 427205, 486815, 598087, 2990435, 4186609, 20933045]

約数ペア:

[(1, 20933045), (5, 4186609), (7, 2990435), (35, 598087), (43, 486815), (49, 427205), (215, 97363), (245, 85441), (301, 69545), (1505, 13909), (1987, 10535), (2107, 9935)]