20619478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{3889}}^1$

素因数の和:4143

約数の個数: 16

約数和(自身を含む): 33889680

約数和(自身を除く): 13270202

約数列:

[1, 2, 11, 22, 241, 482, 2651, 3889, 5302, 7778, 42779, 85558, 937249, 1874498, 10309739, 20619478]

約数ペア:

[(1, 20619478), (2, 10309739), (11, 1874498), (22, 937249), (241, 85558), (482, 42779), (2651, 7778), (3889, 5302)]