20396354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 35178624

約数和(自身を除く): 14782270

約数列:

[1, 2, 11, 22, 23, 46, 173, 233, 253, 346, 466, 506, 1903, 2563, 3806, 3979, 5126, 5359, 7958, 10718, 40309, 43769, 58949, 80618, 87538, 117898, 443399, 886798, 927107, 1854214, 10198177, 20396354]

約数ペア:

[(1, 20396354), (2, 10198177), (11, 1854214), (22, 927107), (23, 886798), (46, 443399), (173, 117898), (233, 87538), (253, 80618), (346, 58949), (466, 43769), (506, 40309), (1903, 10718), (2563, 7958), (3806, 5359), (3979, 5126)]