20838368

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{1231}}^1$

素因数の和:1287

約数の個数: 36

約数和(自身を含む): 42921648

約数和(自身を除く): 22083280

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 529, 736, 1058, 1231, 2116, 2462, 4232, 4924, 8464, 9848, 16928, 19696, 28313, 39392, 56626, 113252, 226504, 453008, 651199, 906016, 1302398, 2604796, 5209592, 10419184, 20838368]

約数ペア:

[(1, 20838368), (2, 10419184), (4, 5209592), (8, 2604796), (16, 1302398), (23, 906016), (32, 651199), (46, 453008), (92, 226504), (184, 113252), (368, 56626), (529, 39392), (736, 28313), (1058, 19696), (1231, 16928), (2116, 9848), (2462, 8464), (4232, 4924)]