20804938557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{25117}}^1$

素因数の和:25517

約数の個数: 32

約数和(自身を含む): 30416491392

約数和(自身を除く): 9611552835

約数列:

[1, 3, 13, 39, 67, 201, 317, 871, 951, 2613, 4121, 12363, 21239, 25117, 63717, 75351, 276107, 326521, 828321, 979563, 1682839, 5048517, 7962089, 21876907, 23886267, 65630721, 103507157, 310521471, 533459963, 1600379889, 6934979519, 20804938557]

約数ペア:

[(1, 20804938557), (3, 6934979519), (13, 1600379889), (39, 533459963), (67, 310521471), (201, 103507157), (317, 65630721), (871, 23886267), (951, 21876907), (2613, 7962089), (4121, 5048517), (12363, 1682839), (21239, 979563), (25117, 828321), (63717, 326521), (75351, 276107)]