20835705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 36609408

約数和(自身を除く): 15773703

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 197, 591, 641, 985, 1923, 2167, 2955, 3205, 6501, 7051, 9615, 10835, 21153, 32505, 35255, 105765, 126277, 378831, 631385, 1389047, 1894155, 4167141, 6945235, 20835705]

約数ペア:

[(1, 20835705), (3, 6945235), (5, 4167141), (11, 1894155), (15, 1389047), (33, 631385), (55, 378831), (165, 126277), (197, 105765), (591, 35255), (641, 32505), (985, 21153), (1923, 10835), (2167, 9615), (2955, 7051), (3205, 6501)]