20044458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 49907520

約数和(自身を除く): 29863062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 257, 514, 619, 771, 1238, 1542, 1799, 1857, 2313, 3598, 3714, 4333, 4626, 5397, 5571, 8666, 10794, 11142, 12999, 16191, 25998, 32382, 38997, 77994, 159083, 318166, 477249, 954498, 1113581, 1431747, 2227162, 2863494, 3340743, 6681486, 10022229, 20044458]

約数ペア:

[(1, 20044458), (2, 10022229), (3, 6681486), (6, 3340743), (7, 2863494), (9, 2227162), (14, 1431747), (18, 1113581), (21, 954498), (42, 477249), (63, 318166), (126, 159083), (257, 77994), (514, 38997), (619, 32382), (771, 25998), (1238, 16191), (1542, 12999), (1799, 11142), (1857, 10794), (2313, 8666), (3598, 5571), (3714, 5397), (4333, 4626)]