20817544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236563}}^1$

素因数の和:236580

約数の個数: 16

約数和(自身を含む): 42581520

約数和(自身を除く): 21763976

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236563, 473126, 946252, 1892504, 2602193, 5204386, 10408772, 20817544]

約数ペア:

[(1, 20817544), (2, 10408772), (4, 5204386), (8, 2602193), (11, 1892504), (22, 946252), (44, 473126), (88, 236563)]