20106765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21277}}^1$

素因数の和:21298

約数の個数: 32

約数和(自身を含む): 40853760

約数和(自身を除く): 20746995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21277, 63831, 106385, 148939, 191493, 319155, 446817, 574479, 744695, 957465, 1340451, 2234085, 2872395, 4021353, 6702255, 20106765]

約数ペア:

[(1, 20106765), (3, 6702255), (5, 4021353), (7, 2872395), (9, 2234085), (15, 1340451), (21, 957465), (27, 744695), (35, 574479), (45, 446817), (63, 319155), (105, 191493), (135, 148939), (189, 106385), (315, 63831), (945, 21277)]