20413334

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1997}}^1$

素因数の和:2287

約数の個数: 16

約数和(自身を含む): 32367600

約数和(自身を除く): 11954266

約数列:

[1, 2, 19, 38, 269, 538, 1997, 3994, 5111, 10222, 37943, 75886, 537193, 1074386, 10206667, 20413334]

約数ペア:

[(1, 20413334), (2, 10206667), (19, 1074386), (38, 537193), (269, 75886), (538, 37943), (1997, 10222), (3994, 5111)]