20638959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{32917}}^1$

素因数の和:32950

約数の個数: 16

約数和(自身を含む): 31601280

約数和(自身を除く): 10962321

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 32917, 98751, 362087, 625423, 1086261, 1876269, 6879653, 20638959]

約数ペア:

[(1, 20638959), (3, 6879653), (11, 1876269), (19, 1086261), (33, 625423), (57, 362087), (209, 98751), (627, 32917)]