20405506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{48817}}^1$

素因数の和:48849

約数の個数: 16

約数和(自身を含む): 35148960

約数和(自身を除く): 14743454

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 48817, 97634, 536987, 927523, 1073974, 1855046, 10202753, 20405506]

約数ペア:

[(1, 20405506), (2, 10202753), (11, 1855046), (19, 1073974), (22, 927523), (38, 536987), (209, 97634), (418, 48817)]