20702231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1741}}^1$

素因数の和:1822

約数の個数: 16

約数和(自身を含む): 24081408

約数和(自身を除く): 3379177

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1741, 11891, 19151, 40043, 81827, 440473, 900097, 1882021, 20702231]

約数ペア:

[(1, 20702231), (11, 1882021), (23, 900097), (47, 440473), (253, 81827), (517, 40043), (1081, 19151), (1741, 11891)]