20163672

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4591}}^1$

素因数の和:4664

約数の個数: 48

約数和(自身を含む): 55517280

約数和(自身を除く): 35353608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4591, 9182, 13773, 18364, 27546, 36728, 41319, 55092, 82638, 110184, 165276, 280051, 330552, 560102, 840153, 1120204, 1680306, 2240408, 2520459, 3360612, 5040918, 6721224, 10081836, 20163672]

約数ペア:

[(1, 20163672), (2, 10081836), (3, 6721224), (4, 5040918), (6, 3360612), (8, 2520459), (9, 2240408), (12, 1680306), (18, 1120204), (24, 840153), (36, 560102), (61, 330552), (72, 280051), (122, 165276), (183, 110184), (244, 82638), (366, 55092), (488, 41319), (549, 36728), (732, 27546), (1098, 18364), (1464, 13773), (2196, 9182), (4392, 4591)]