20127802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12919}}^1$

素因数の和:12981

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 12430598

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 12919, 25838, 245461, 490922, 529679, 1059358, 10063901, 20127802]

約数ペア:

[(1, 20127802), (2, 10063901), (19, 1059358), (38, 529679), (41, 490922), (82, 245461), (779, 25838), (1558, 12919)]