20707984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117659}}^1$

素因数の和:117678

約数の個数: 20

約数和(自身を含む): 43769520

約数和(自身を除く): 23061536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117659, 235318, 470636, 941272, 1294249, 1882544, 2588498, 5176996, 10353992, 20707984]

約数ペア:

[(1, 20707984), (2, 10353992), (4, 5176996), (8, 2588498), (11, 1882544), (16, 1294249), (22, 941272), (44, 470636), (88, 235318), (176, 117659)]