20184351

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 30759936

約数和(自身を除く): 10575585

約数列:

[1, 3, 11, 33, 37, 61, 111, 183, 271, 407, 671, 813, 1221, 2013, 2257, 2981, 6771, 8943, 10027, 16531, 24827, 30081, 49593, 74481, 110297, 181841, 330891, 545523, 611647, 1834941, 6728117, 20184351]

約数ペア:

[(1, 20184351), (3, 6728117), (11, 1834941), (33, 611647), (37, 545523), (61, 330891), (111, 181841), (183, 110297), (271, 74481), (407, 49593), (671, 30081), (813, 24827), (1221, 16531), (2013, 10027), (2257, 8943), (2981, 6771)]