20520198

素因数分解:

$2^1\times 3^2\times {\mathrm{449}}^1\times {\mathrm{2539}}^1$

素因数の和:2996

約数の個数: 24

約数和(自身を含む): 44577000

約数和(自身を除く): 24056802

約数列:

[1, 2, 3, 6, 9, 18, 449, 898, 1347, 2539, 2694, 4041, 5078, 7617, 8082, 15234, 22851, 45702, 1140011, 2280022, 3420033, 6840066, 10260099, 20520198]

約数ペア:

[(1, 20520198), (2, 10260099), (3, 6840066), (6, 3420033), (9, 2280022), (18, 1140011), (449, 45702), (898, 22851), (1347, 15234), (2539, 8082), (2694, 7617), (4041, 5078)]