20990929824

素因数分解:

$2^5\times 3^2\times {\mathrm{127}}^1\times {\mathrm{573899}}^1$

素因数の和:574042

約数の個数: 72

約数和(自身を含む): 60163084800

約数和(自身を除く): 39172154976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 127, 144, 254, 288, 381, 508, 762, 1016, 1143, 1524, 2032, 2286, 3048, 4064, 4572, 6096, 9144, 12192, 18288, 36576, 573899, 1147798, 1721697, 2295596, 3443394, 4591192, 5165091, 6886788, 9182384, 10330182, 13773576, 18364768, 20660364, 27547152, 41320728, 55094304, 72885173, 82641456, 145770346, 165282912, 218655519, 291540692, 437311038, 583081384, 655966557, 874622076, 1166162768, 1311933114, 1749244152, 2332325536, 2623866228, 3498488304, 5247732456, 6996976608, 10495464912, 20990929824]

約数ペア:

[(1, 20990929824), (2, 10495464912), (3, 6996976608), (4, 5247732456), (6, 3498488304), (8, 2623866228), (9, 2332325536), (12, 1749244152), (16, 1311933114), (18, 1166162768), (24, 874622076), (32, 655966557), (36, 583081384), (48, 437311038), (72, 291540692), (96, 218655519), (127, 165282912), (144, 145770346), (254, 82641456), (288, 72885173), (381, 55094304), (508, 41320728), (762, 27547152), (1016, 20660364), (1143, 18364768), (1524, 13773576), (2032, 10330182), (2286, 9182384), (3048, 6886788), (4064, 5165091), (4572, 4591192), (6096, 3443394), (9144, 2295596), (12192, 1721697), (18288, 1147798), (36576, 573899)]