16820336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 35362320

約数和(自身を除く): 18541984

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 419, 772, 838, 1544, 1676, 2509, 3088, 3352, 5018, 5447, 6704, 10036, 10894, 20072, 21788, 40144, 43576, 80867, 87152, 161734, 323468, 646936, 1051271, 1293872, 2102542, 4205084, 8410168, 16820336]

約数ペア:

[(1, 16820336), (2, 8410168), (4, 4205084), (8, 2102542), (13, 1293872), (16, 1051271), (26, 646936), (52, 323468), (104, 161734), (193, 87152), (208, 80867), (386, 43576), (419, 40144), (772, 21788), (838, 20072), (1544, 10894), (1676, 10036), (2509, 6704), (3088, 5447), (3352, 5018)]