20468068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{569}}^1$

素因数の和:636

約数の個数: 36

約数和(自身を含む): 39716460

約数和(自身を除く): 19248392

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 529, 569, 782, 1058, 1138, 1564, 2116, 2276, 8993, 9673, 13087, 17986, 19346, 26174, 35972, 38692, 52348, 222479, 301001, 444958, 602002, 889916, 1204004, 5117017, 10234034, 20468068]

約数ペア:

[(1, 20468068), (2, 10234034), (4, 5117017), (17, 1204004), (23, 889916), (34, 602002), (46, 444958), (68, 301001), (92, 222479), (391, 52348), (529, 38692), (569, 35972), (782, 26174), (1058, 19346), (1138, 17986), (1564, 13087), (2116, 9673), (2276, 8993)]