20565902458

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1\times {\mathrm{287933}}^1$

素因数の和:288509

約数の個数: 16

約数和(自身を含む): 31345646976

約数和(自身を除く): 10779744518

約数列:

[1, 2, 71, 142, 503, 1006, 35713, 71426, 287933, 575866, 20443243, 40886486, 144830299, 289660598, 10282951229, 20565902458]

約数ペア:

[(1, 20565902458), (2, 10282951229), (71, 289660598), (142, 144830299), (503, 40886486), (1006, 20443243), (35713, 575866), (71426, 287933)]