20787272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236219}}^1$

素因数の和:236236

約数の個数: 16

約数和(自身を含む): 42519600

約数和(自身を除く): 21732328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236219, 472438, 944876, 1889752, 2598409, 5196818, 10393636, 20787272]

約数ペア:

[(1, 20787272), (2, 10393636), (4, 5196818), (8, 2598409), (11, 1889752), (22, 944876), (44, 472438), (88, 236219)]