20166021775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{291101}}^1$

素因数の和:291291

約数の個数: 24

約数和(自身を含む): 26639326224

約数和(自身を除く): 6473304449

約数列:

[1, 5, 17, 25, 85, 163, 425, 815, 2771, 4075, 13855, 69275, 291101, 1455505, 4948717, 7277525, 24743585, 47449463, 123717925, 237247315, 806640871, 1186236575, 4033204355, 20166021775]

約数ペア:

[(1, 20166021775), (5, 4033204355), (17, 1186236575), (25, 806640871), (85, 237247315), (163, 123717925), (425, 47449463), (815, 24743585), (2771, 7277525), (4075, 4948717), (13855, 1455505), (69275, 291101)]