20263854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1087}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 43868160

約数和(自身を除く): 23604306

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239, 478, 717, 1087, 1434, 2174, 3107, 3261, 6214, 6522, 9321, 14131, 18642, 28262, 42393, 84786, 259793, 519586, 779379, 1558758, 3377309, 6754618, 10131927, 20263854]

約数ペア:

[(1, 20263854), (2, 10131927), (3, 6754618), (6, 3377309), (13, 1558758), (26, 779379), (39, 519586), (78, 259793), (239, 84786), (478, 42393), (717, 28262), (1087, 18642), (1434, 14131), (2174, 9321), (3107, 6522), (3261, 6214)]