20318192

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12329}}^1$

素因数の和:12440

約数の個数: 20

約数和(自身を含む): 39751920

約数和(自身を除く): 19433728

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12329, 24658, 49316, 98632, 197264, 1269887, 2539774, 5079548, 10159096, 20318192]

約数ペア:

[(1, 20318192), (2, 10159096), (4, 5079548), (8, 2539774), (16, 1269887), (103, 197264), (206, 98632), (412, 49316), (824, 24658), (1648, 12329)]