20138416

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4679}}^1$

素因数の和:4956

約数の個数: 20

約数和(自身を含む): 39171600

約数和(自身を除く): 19033184

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4679, 9358, 18716, 37432, 74864, 1258651, 2517302, 5034604, 10069208, 20138416]

約数ペア:

[(1, 20138416), (2, 10069208), (4, 5034604), (8, 2517302), (16, 1258651), (269, 74864), (538, 37432), (1076, 18716), (2152, 9358), (4304, 4679)]