20097721713

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 29123297280

約数和(自身を除く): 9025575567

約数列:

[1, 3, 19, 57, 71, 131, 167, 213, 227, 393, 501, 681, 1349, 2489, 3173, 4047, 4313, 7467, 9301, 9519, 11857, 12939, 16117, 21877, 27903, 29737, 35571, 37909, 48351, 65631, 89211, 113727, 176719, 225283, 306223, 415663, 530157, 565003, 675849, 720271, 918669, 1246989, 1553267, 1695009, 2111327, 2160813, 2691539, 4659801, 4966079, 6333981, 8074617, 14898237, 29512073, 40115213, 51139241, 88536219, 94355501, 120345639, 153417723, 283066503, 352591609, 1057774827, 6699240571, 20097721713]

約数ペア:

[(1, 20097721713), (3, 6699240571), (19, 1057774827), (57, 352591609), (71, 283066503), (131, 153417723), (167, 120345639), (213, 94355501), (227, 88536219), (393, 51139241), (501, 40115213), (681, 29512073), (1349, 14898237), (2489, 8074617), (3173, 6333981), (4047, 4966079), (4313, 4659801), (7467, 2691539), (9301, 2160813), (9519, 2111327), (11857, 1695009), (12939, 1553267), (16117, 1246989), (21877, 918669), (27903, 720271), (29737, 675849), (35571, 565003), (37909, 530157), (48351, 415663), (65631, 306223), (89211, 225283), (113727, 176719)]