20131188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21787}}^1$

素因数の和:21812

約数の個数: 48

約数和(自身を含む): 58566144

約数和(自身を除く): 38434956

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21787, 43574, 65361, 87148, 130722, 152509, 239657, 261444, 305018, 457527, 479314, 610036, 718971, 915054, 958628, 1437942, 1677599, 1830108, 2875884, 3355198, 5032797, 6710396, 10065594, 20131188]

約数ペア:

[(1, 20131188), (2, 10065594), (3, 6710396), (4, 5032797), (6, 3355198), (7, 2875884), (11, 1830108), (12, 1677599), (14, 1437942), (21, 958628), (22, 915054), (28, 718971), (33, 610036), (42, 479314), (44, 457527), (66, 305018), (77, 261444), (84, 239657), (132, 152509), (154, 130722), (231, 87148), (308, 65361), (462, 43574), (924, 21787)]