20130272

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 22099888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 113, 152, 226, 293, 304, 452, 586, 608, 904, 1172, 1808, 2147, 2344, 3616, 4294, 4688, 5567, 8588, 9376, 11134, 17176, 22268, 33109, 34352, 44536, 66218, 68704, 89072, 132436, 178144, 264872, 529744, 629071, 1059488, 1258142, 2516284, 5032568, 10065136, 20130272]

約数ペア:

[(1, 20130272), (2, 10065136), (4, 5032568), (8, 2516284), (16, 1258142), (19, 1059488), (32, 629071), (38, 529744), (76, 264872), (113, 178144), (152, 132436), (226, 89072), (293, 68704), (304, 66218), (452, 44536), (586, 34352), (608, 33109), (904, 22268), (1172, 17176), (1808, 11134), (2147, 9376), (2344, 8588), (3616, 5567), (4294, 4688)]