20285226

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86689}}^1$

素因数の和:86710

約数の個数: 24

約数和(自身を含む): 47332740

約数和(自身を除く): 27047514

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 86689, 173378, 260067, 520134, 780201, 1126957, 1560402, 2253914, 3380871, 6761742, 10142613, 20285226]

約数ペア:

[(1, 20285226), (2, 10142613), (3, 6761742), (6, 3380871), (9, 2253914), (13, 1560402), (18, 1126957), (26, 780201), (39, 520134), (78, 260067), (117, 173378), (234, 86689)]