20119986

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{2113}}^1$

素因数の和:2167

約数の個数: 36

約数和(自身を含む): 45592638

約数和(自身を除く): 25472652

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 2113, 3174, 4226, 4761, 6339, 9522, 12678, 19017, 38034, 48599, 97198, 145797, 291594, 437391, 874782, 1117777, 2235554, 3353331, 6706662, 10059993, 20119986]

約数ペア:

[(1, 20119986), (2, 10059993), (3, 6706662), (6, 3353331), (9, 2235554), (18, 1117777), (23, 874782), (46, 437391), (69, 291594), (138, 145797), (207, 97198), (414, 48599), (529, 38034), (1058, 19017), (1587, 12678), (2113, 9522), (3174, 6339), (4226, 4761)]