15360220

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4021}}^1$

素因数の和:4221

約数の個数: 24

約数和(自身を含む): 32433408

約数和(自身を除く): 17073188

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4021, 8042, 16084, 20105, 40210, 80420, 768011, 1536022, 3072044, 3840055, 7680110, 15360220]

約数ペア:

[(1, 15360220), (2, 7680110), (4, 3840055), (5, 3072044), (10, 1536022), (20, 768011), (191, 80420), (382, 40210), (764, 20105), (955, 16084), (1910, 8042), (3820, 4021)]