16427720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9551}}^1$

素因数の和:9605

約数の個数: 32

約数和(自身を含む): 37825920

約数和(自身を除く): 21398200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9551, 19102, 38204, 47755, 76408, 95510, 191020, 382040, 410693, 821386, 1642772, 2053465, 3285544, 4106930, 8213860, 16427720]

約数ペア:

[(1, 16427720), (2, 8213860), (4, 4106930), (5, 3285544), (8, 2053465), (10, 1642772), (20, 821386), (40, 410693), (43, 382040), (86, 191020), (172, 95510), (215, 76408), (344, 47755), (430, 38204), (860, 19102), (1720, 9551)]