20646456

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 54501120

約数和(自身を除く): 33854664

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 113, 138, 184, 226, 276, 331, 339, 452, 552, 662, 678, 904, 993, 1324, 1356, 1986, 2599, 2648, 2712, 3972, 5198, 7613, 7797, 7944, 10396, 15226, 15594, 20792, 22839, 30452, 31188, 37403, 45678, 60904, 62376, 74806, 91356, 112209, 149612, 182712, 224418, 299224, 448836, 860269, 897672, 1720538, 2580807, 3441076, 5161614, 6882152, 10323228, 20646456]

約数ペア:

[(1, 20646456), (2, 10323228), (3, 6882152), (4, 5161614), (6, 3441076), (8, 2580807), (12, 1720538), (23, 897672), (24, 860269), (46, 448836), (69, 299224), (92, 224418), (113, 182712), (138, 149612), (184, 112209), (226, 91356), (276, 74806), (331, 62376), (339, 60904), (452, 45678), (552, 37403), (662, 31188), (678, 30452), (904, 22839), (993, 20792), (1324, 15594), (1356, 15226), (1986, 10396), (2599, 7944), (2648, 7797), (2712, 7613), (3972, 5198)]