20876947

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{599}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 4927853

約数列:

[1, 7, 13, 91, 383, 599, 2681, 4193, 4979, 7787, 34853, 54509, 229417, 1605919, 2982421, 20876947]

約数ペア:

[(1, 20876947), (7, 2982421), (13, 1605919), (91, 229417), (383, 54509), (599, 34853), (2681, 7787), (4193, 4979)]