20278144

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9319}}^1$

素因数の和:9350

約数の個数: 32

約数和(自身を含む): 42778800

約数和(自身を除く): 22500656

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9319, 18638, 37276, 74552, 149104, 158423, 298208, 316846, 596416, 633692, 1192832, 1267384, 2534768, 5069536, 10139072, 20278144]

約数ペア:

[(1, 20278144), (2, 10139072), (4, 5069536), (8, 2534768), (16, 1267384), (17, 1192832), (32, 633692), (34, 596416), (64, 316846), (68, 298208), (128, 158423), (136, 149104), (272, 74552), (544, 37276), (1088, 18638), (2176, 9319)]