20516518

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4987}}^1$

素因数の和:5028

約数の個数: 24

約数和(自身を含む): 35823816

約数和(自身を除く): 15307298

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 2057, 4114, 4987, 9974, 54857, 84779, 109714, 169558, 603427, 932569, 1206854, 1865138, 10258259, 20516518]

約数ペア:

[(1, 20516518), (2, 10258259), (11, 1865138), (17, 1206854), (22, 932569), (34, 603427), (121, 169558), (187, 109714), (242, 84779), (374, 54857), (2057, 9974), (4114, 4987)]