20615028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245417}}^1$

素因数の和:245431

約数の個数: 24

約数和(自身を含む): 54973632

約数和(自身を除く): 34358604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245417, 490834, 736251, 981668, 1472502, 1717919, 2945004, 3435838, 5153757, 6871676, 10307514, 20615028]

約数ペア:

[(1, 20615028), (2, 10307514), (3, 6871676), (4, 5153757), (6, 3435838), (7, 2945004), (12, 1717919), (14, 1472502), (21, 981668), (28, 736251), (42, 490834), (84, 245417)]