20085454970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{15803}}^1$

素因数の和:16155

約数の個数: 64

約数和(自身を含む): 42092752896

約数和(自身を除く): 22007297926

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 271, 335, 469, 542, 670, 938, 1355, 1897, 2345, 2710, 3794, 4690, 9485, 15803, 18157, 18970, 31606, 36314, 79015, 90785, 110621, 127099, 158030, 181570, 221242, 254198, 553105, 635495, 1058801, 1106210, 1270990, 2117602, 4282613, 5294005, 7411607, 8565226, 10588010, 14823214, 21413065, 29978291, 37058035, 42826130, 59956582, 74116070, 149891455, 286935071, 299782910, 573870142, 1434675355, 2008545497, 2869350710, 4017090994, 10042727485, 20085454970]

約数ペア:

[(1, 20085454970), (2, 10042727485), (5, 4017090994), (7, 2869350710), (10, 2008545497), (14, 1434675355), (35, 573870142), (67, 299782910), (70, 286935071), (134, 149891455), (271, 74116070), (335, 59956582), (469, 42826130), (542, 37058035), (670, 29978291), (938, 21413065), (1355, 14823214), (1897, 10588010), (2345, 8565226), (2710, 7411607), (3794, 5294005), (4690, 4282613), (9485, 2117602), (15803, 1270990), (18157, 1106210), (18970, 1058801), (31606, 635495), (36314, 553105), (79015, 254198), (90785, 221242), (110621, 181570), (127099, 158030)]