20875283

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 25829664

約数和(自身を除く): 4954381

約数列:

[1, 11, 13, 23, 121, 143, 253, 299, 577, 1573, 2783, 3289, 6347, 7501, 13271, 36179, 69817, 82511, 145981, 172523, 907621, 1605791, 1897753, 20875283]

約数ペア:

[(1, 20875283), (11, 1897753), (13, 1605791), (23, 907621), (121, 172523), (143, 145981), (253, 82511), (299, 69817), (577, 36179), (1573, 13271), (2783, 7501), (3289, 6347)]