20450512

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17509}}^1$

素因数の和:17590

約数の個数: 20

約数和(自身を含む): 40167940

約数和(自身を除く): 19717428

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17509, 35018, 70036, 140072, 280144, 1278157, 2556314, 5112628, 10225256, 20450512]

約数ペア:

[(1, 20450512), (2, 10225256), (4, 5112628), (8, 2556314), (16, 1278157), (73, 280144), (146, 140072), (292, 70036), (584, 35018), (1168, 17509)]