20156851

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4547}}^1$

素因数の和:4602

約数の個数: 16

約数和(自身を含む): 24450048

約数和(自身を除く): 4293197

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4547, 50017, 59111, 140957, 650221, 1550527, 1832441, 20156851]

約数ペア:

[(1, 20156851), (11, 1832441), (13, 1550527), (31, 650221), (143, 140957), (341, 59111), (403, 50017), (4433, 4547)]