20408889609

素因数分解:

$3^2\times {\mathrm{57977}}^1\times {\mathrm{39113}}^1$

素因数の和:97096

約数の個数: 12

約数和(自身を含む): 29480769396

約数和(自身を除く): 9071879787

約数列:

[1, 3, 9, 39113, 57977, 117339, 173931, 352017, 521793, 2267654401, 6802963203, 20408889609]

約数ペア:

[(1, 20408889609), (3, 6802963203), (9, 2267654401), (39113, 521793), (57977, 352017), (117339, 173931)]