20129588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1531}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 37319520

約数和(自身を除く): 17189932

約数列:

[1, 2, 4, 19, 38, 76, 173, 346, 692, 1531, 3062, 3287, 6124, 6574, 13148, 29089, 58178, 116356, 264863, 529726, 1059452, 5032397, 10064794, 20129588]

約数ペア:

[(1, 20129588), (2, 10064794), (4, 5032397), (19, 1059452), (38, 529726), (76, 264863), (173, 116356), (346, 58178), (692, 29089), (1531, 13148), (3062, 6574), (3287, 6124)]