20786958

素因数分解:

$2^1\times 3^2\times {\mathrm{317}}^1\times {\mathrm{3643}}^1$

素因数の和:3968

約数の個数: 24

約数和(自身を含む): 45192888

約数和(自身を除く): 24405930

約数列:

[1, 2, 3, 6, 9, 18, 317, 634, 951, 1902, 2853, 3643, 5706, 7286, 10929, 21858, 32787, 65574, 1154831, 2309662, 3464493, 6928986, 10393479, 20786958]

約数ペア:

[(1, 20786958), (2, 10393479), (3, 6928986), (6, 3464493), (9, 2309662), (18, 1154831), (317, 65574), (634, 32787), (951, 21858), (1902, 10929), (2853, 7286), (3643, 5706)]