20512782386

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4340411}}^1$

素因数の和:4340569

約数の個数: 16

約数和(自身を含む): 32813514720

約数和(自身を除く): 12300732334

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4726, 4340411, 8680822, 73786987, 147573974, 603317129, 1206634258, 10256391193, 20512782386]

約数ペア:

[(1, 20512782386), (2, 10256391193), (17, 1206634258), (34, 603317129), (139, 147573974), (278, 73786987), (2363, 8680822), (4726, 4340411)]