20506777

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 2354663

約数列:

[1, 17, 23, 179, 293, 391, 3043, 4117, 4981, 6739, 52447, 69989, 114563, 891599, 1206281, 20506777]

約数ペア:

[(1, 20506777), (17, 1206281), (23, 891599), (179, 114563), (293, 69989), (391, 52447), (3043, 6739), (4117, 4981)]