20713856

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{3947}}^1$

素因数の和:4002

約数の個数: 32

約数和(自身を含む): 42283080

約数和(自身を除く): 21569224

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 3947, 5248, 7894, 15788, 31576, 63152, 126304, 161827, 252608, 323654, 505216, 647308, 1294616, 2589232, 5178464, 10356928, 20713856]

約数ペア:

[(1, 20713856), (2, 10356928), (4, 5178464), (8, 2589232), (16, 1294616), (32, 647308), (41, 505216), (64, 323654), (82, 252608), (128, 161827), (164, 126304), (328, 63152), (656, 31576), (1312, 15788), (2624, 7894), (3947, 5248)]