1520383420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4001009}}^1$

素因数の和:4001037

約数の個数: 24

約数和(自身を含む): 3360848400

約数和(自身を除く): 1840464980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4001009, 8002018, 16004036, 20005045, 40010090, 76019171, 80020180, 152038342, 304076684, 380095855, 760191710, 1520383420]

約数ペア:

[(1, 1520383420), (2, 760191710), (4, 380095855), (5, 304076684), (10, 152038342), (19, 80020180), (20, 76019171), (38, 40010090), (76, 20005045), (95, 16004036), (190, 8002018), (380, 4001009)]