20930595

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{28477}}^1$

素因数の和:28499

約数の個数: 24

約数和(自身を含む): 38957904

約数和(自身を除く): 18027309

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 28477, 85431, 142385, 199339, 427155, 598017, 996695, 1395373, 2990085, 4186119, 6976865, 20930595]

約数ペア:

[(1, 20930595), (3, 6976865), (5, 4186119), (7, 2990085), (15, 1395373), (21, 996695), (35, 598017), (49, 427155), (105, 199339), (147, 142385), (245, 85431), (735, 28477)]