20554208

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4621}}^1$

素因数の和:4770

約数の個数: 24

約数和(自身を含む): 40766040

約数和(自身を除く): 20211832

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4621, 9242, 18484, 36968, 73936, 147872, 642319, 1284638, 2569276, 5138552, 10277104, 20554208]

約数ペア:

[(1, 20554208), (2, 10277104), (4, 5138552), (8, 2569276), (16, 1284638), (32, 642319), (139, 147872), (278, 73936), (556, 36968), (1112, 18484), (2224, 9242), (4448, 4621)]