20974468

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 37399320

約数和(自身を除く): 16424852

約数列:

[1, 2, 4, 101, 193, 202, 269, 386, 404, 538, 772, 1076, 19493, 27169, 38986, 51917, 54338, 77972, 103834, 108676, 207668, 5243617, 10487234, 20974468]

約数ペア:

[(1, 20974468), (2, 10487234), (4, 5243617), (101, 207668), (193, 108676), (202, 103834), (269, 77972), (386, 54338), (404, 51917), (538, 38986), (772, 27169), (1076, 19493)]