20031891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{947}}^1$

素因数の和:1602

約数の個数: 16

約数和(自身を含む): 29213568

約数和(自身を除く): 9181677

約数列:

[1, 3, 11, 33, 641, 947, 1923, 2841, 7051, 10417, 21153, 31251, 607027, 1821081, 6677297, 20031891]

約数ペア:

[(1, 20031891), (3, 6677297), (11, 1821081), (33, 607027), (641, 31251), (947, 21153), (1923, 10417), (2841, 7051)]