20512191581

素因数分解:

$7^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1\times {\mathrm{54919}}^1$

素因数の和:55388

約数の個数: 16

約数和(自身を含む): 23646355200

約数和(自身を除く): 3134163619

約数列:

[1, 7, 229, 233, 1603, 1631, 53357, 54919, 373499, 384433, 12576451, 12796127, 88035157, 89572889, 2930313083, 20512191581]

約数ペア:

[(1, 20512191581), (7, 2930313083), (229, 89572889), (233, 88035157), (1603, 12796127), (1631, 12576451), (53357, 384433), (54919, 373499)]