20778891309

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{35677}}^1$

素因数の和:35787

約数の個数: 64

約数和(自身を含む): 35141402880

約数和(自身を除く): 14362511571

約数列:

[1, 3, 9, 11, 27, 33, 37, 53, 99, 111, 159, 297, 333, 407, 477, 583, 999, 1221, 1431, 1749, 1961, 3663, 5247, 5883, 10989, 15741, 17649, 21571, 35677, 52947, 64713, 107031, 194139, 321093, 392447, 582417, 963279, 1177341, 1320049, 1890881, 3532023, 3960147, 5672643, 10596069, 11880441, 14520539, 17017929, 20799691, 35641323, 43561617, 51053787, 62399073, 69962597, 130684851, 187197219, 209887791, 392054553, 561591657, 629663373, 769588567, 1888990119, 2308765701, 6926297103, 20778891309]

約数ペア:

[(1, 20778891309), (3, 6926297103), (9, 2308765701), (11, 1888990119), (27, 769588567), (33, 629663373), (37, 561591657), (53, 392054553), (99, 209887791), (111, 187197219), (159, 130684851), (297, 69962597), (333, 62399073), (407, 51053787), (477, 43561617), (583, 35641323), (999, 20799691), (1221, 17017929), (1431, 14520539), (1749, 11880441), (1961, 10596069), (3663, 5672643), (5247, 3960147), (5883, 3532023), (10989, 1890881), (15741, 1320049), (17649, 1177341), (21571, 963279), (35677, 582417), (52947, 392447), (64713, 321093), (107031, 194139)]