20244301

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 27234144

約数和(自身を除く): 6989843

約数列:

[1, 7, 11, 23, 49, 71, 77, 161, 253, 497, 529, 539, 781, 1127, 1633, 1771, 3479, 3703, 5467, 5819, 11431, 12397, 17963, 25921, 37559, 38269, 40733, 80017, 125741, 262913, 285131, 413149, 880187, 1840391, 2892043, 20244301]

約数ペア:

[(1, 20244301), (7, 2892043), (11, 1840391), (23, 880187), (49, 413149), (71, 285131), (77, 262913), (161, 125741), (253, 80017), (497, 40733), (529, 38269), (539, 37559), (781, 25921), (1127, 17963), (1633, 12397), (1771, 11431), (3479, 5819), (3703, 5467)]