20128746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{304981}}^1$

素因数の和:304997

約数の個数: 16

約数和(自身を含む): 43917408

約数和(自身を除く): 23788662

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 304981, 609962, 914943, 1829886, 3354791, 6709582, 10064373, 20128746]

約数ペア:

[(1, 20128746), (2, 10064373), (3, 6709582), (6, 3354791), (11, 1829886), (22, 914943), (33, 609962), (66, 304981)]