20023754

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 32607360

約数和(自身を除く): 12583606

約数列:

[1, 2, 23, 46, 67, 73, 89, 134, 146, 178, 1541, 1679, 2047, 3082, 3358, 4094, 4891, 5963, 6497, 9782, 11926, 12994, 112493, 137149, 149431, 224986, 274298, 298862, 435299, 870598, 10011877, 20023754]

約数ペア:

[(1, 20023754), (2, 10011877), (23, 870598), (46, 435299), (67, 298862), (73, 274298), (89, 224986), (134, 149431), (146, 137149), (178, 112493), (1541, 12994), (1679, 11926), (2047, 9782), (3082, 6497), (3358, 5963), (4094, 4891)]