20343868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 37310112

約数和(自身を除く): 16966244

約数列:

[1, 2, 4, 23, 46, 92, 397, 557, 794, 1114, 1588, 2228, 9131, 12811, 18262, 25622, 36524, 51244, 221129, 442258, 884516, 5085967, 10171934, 20343868]

約数ペア:

[(1, 20343868), (2, 10171934), (4, 5085967), (23, 884516), (46, 442258), (92, 221129), (397, 51244), (557, 36524), (794, 25622), (1114, 18262), (1588, 12811), (2228, 9131)]