20131025512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{27617}}^1$

素因数の和:27842

約数の個数: 64

約数和(自身を含む): 41851212480

約数和(自身を除く): 21720186968

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 163, 172, 326, 344, 559, 652, 1118, 1304, 2119, 2236, 4238, 4472, 7009, 8476, 14018, 16952, 27617, 28036, 55234, 56072, 91117, 110468, 182234, 220936, 359021, 364468, 718042, 728936, 1187531, 1436084, 2375062, 2872168, 4501571, 4750124, 9003142, 9500248, 15437903, 18006284, 30875806, 36012568, 58520423, 61751612, 117040846, 123503224, 193567553, 234081692, 387135106, 468163384, 774270212, 1548540424, 2516378189, 5032756378, 10065512756, 20131025512]

約数ペア:

[(1, 20131025512), (2, 10065512756), (4, 5032756378), (8, 2516378189), (13, 1548540424), (26, 774270212), (43, 468163384), (52, 387135106), (86, 234081692), (104, 193567553), (163, 123503224), (172, 117040846), (326, 61751612), (344, 58520423), (559, 36012568), (652, 30875806), (1118, 18006284), (1304, 15437903), (2119, 9500248), (2236, 9003142), (4238, 4750124), (4472, 4501571), (7009, 2872168), (8476, 2375062), (14018, 1436084), (16952, 1187531), (27617, 728936), (28036, 718042), (55234, 364468), (56072, 359021), (91117, 220936), (110468, 182234)]