20989946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{941}}^1$

素因数の和:1549

約数の個数: 16

約数和(自身を含む): 33233760

約数和(自身を除く): 12243814

約数列:

[1, 2, 19, 38, 587, 941, 1174, 1882, 11153, 17879, 22306, 35758, 552367, 1104734, 10494973, 20989946]

約数ペア:

[(1, 20989946), (2, 10494973), (19, 1104734), (38, 552367), (587, 35758), (941, 22306), (1174, 17879), (1882, 11153)]