20318910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39841}}^1$

素因数の和:39868

約数の個数: 32

約数和(自身を含む): 51635232

約数和(自身を除く): 31316322

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 39841, 79682, 119523, 199205, 239046, 398410, 597615, 677297, 1195230, 1354594, 2031891, 3386485, 4063782, 6772970, 10159455, 20318910]

約数ペア:

[(1, 20318910), (2, 10159455), (3, 6772970), (5, 4063782), (6, 3386485), (10, 2031891), (15, 1354594), (17, 1195230), (30, 677297), (34, 597615), (51, 398410), (85, 239046), (102, 199205), (170, 119523), (255, 79682), (510, 39841)]