20436496

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17497}}^1$

素因数の和:17578

約数の個数: 20

約数和(自身を含む): 40140412

約数和(自身を除く): 19703916

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17497, 34994, 69988, 139976, 279952, 1277281, 2554562, 5109124, 10218248, 20436496]

約数ペア:

[(1, 20436496), (2, 10218248), (4, 5109124), (8, 2554562), (16, 1277281), (73, 279952), (146, 139976), (292, 69988), (584, 34994), (1168, 17497)]