20877008

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56731}}^1$

素因数の和:56762

約数の個数: 20

約数和(自身を含む): 42208608

約数和(自身を除く): 21331600

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56731, 113462, 226924, 453848, 907696, 1304813, 2609626, 5219252, 10438504, 20877008]

約数ペア:

[(1, 20877008), (2, 10438504), (4, 5219252), (8, 2609626), (16, 1304813), (23, 907696), (46, 453848), (92, 226924), (184, 113462), (368, 56731)]