20103156

素因数分解:

$2^2\times 3^2\times {\mathrm{558421}}^1$

素因数の和:558431

約数の個数: 18

約数和(自身を含む): 50816402

約数和(自身を除く): 30713246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 558421, 1116842, 1675263, 2233684, 3350526, 5025789, 6701052, 10051578, 20103156]

約数ペア:

[(1, 20103156), (2, 10051578), (3, 6701052), (4, 5025789), (6, 3350526), (9, 2233684), (12, 1675263), (18, 1116842), (36, 558421)]