20747748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10739}}^1$

素因数の和:10776

約数の個数: 48

約数和(自身を含む): 57738240

約数和(自身を除く): 36990492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 10739, 21478, 32217, 42956, 64434, 75173, 128868, 150346, 225519, 246997, 300692, 451038, 493994, 740991, 902076, 987988, 1481982, 1728979, 2963964, 3457958, 5186937, 6915916, 10373874, 20747748]

約数ペア:

[(1, 20747748), (2, 10373874), (3, 6915916), (4, 5186937), (6, 3457958), (7, 2963964), (12, 1728979), (14, 1481982), (21, 987988), (23, 902076), (28, 740991), (42, 493994), (46, 451038), (69, 300692), (84, 246997), (92, 225519), (138, 150346), (161, 128868), (276, 75173), (322, 64434), (483, 42956), (644, 32217), (966, 21478), (1932, 10739)]