20004504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 54495840

約数和(自身を除く): 34491336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 97, 104, 156, 194, 291, 312, 388, 582, 661, 776, 1164, 1261, 1322, 1983, 2328, 2522, 2644, 3783, 3966, 5044, 5288, 7566, 7932, 8593, 10088, 15132, 15864, 17186, 25779, 30264, 34372, 51558, 64117, 68744, 103116, 128234, 192351, 206232, 256468, 384702, 512936, 769404, 833521, 1538808, 1667042, 2500563, 3334084, 5001126, 6668168, 10002252, 20004504]

約数ペア:

[(1, 20004504), (2, 10002252), (3, 6668168), (4, 5001126), (6, 3334084), (8, 2500563), (12, 1667042), (13, 1538808), (24, 833521), (26, 769404), (39, 512936), (52, 384702), (78, 256468), (97, 206232), (104, 192351), (156, 128234), (194, 103116), (291, 68744), (312, 64117), (388, 51558), (582, 34372), (661, 30264), (776, 25779), (1164, 17186), (1261, 15864), (1322, 15132), (1983, 10088), (2328, 8593), (2522, 7932), (2644, 7566), (3783, 5288), (3966, 5044)]