20868056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{237137}}^1$

素因数の和:237154

約数の個数: 16

約数和(自身を含む): 42684840

約数和(自身を除く): 21816784

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 237137, 474274, 948548, 1897096, 2608507, 5217014, 10434028, 20868056]

約数ペア:

[(1, 20868056), (2, 10434028), (4, 5217014), (8, 2608507), (11, 1897096), (22, 948548), (44, 474274), (88, 237137)]