20172872727

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1\times {\mathrm{2273}}^1$

素因数の和:3252

約数の個数: 48

約数和(自身を含む): 33544592640

約数和(自身を除く): 13371719913

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 787, 1253, 1611, 2273, 2361, 3759, 5509, 6819, 7083, 11277, 15911, 16527, 20457, 47733, 49581, 140873, 143199, 406867, 422619, 986111, 1220601, 1267857, 1788851, 2848069, 2958333, 3661803, 5366553, 8544207, 8874999, 12521957, 16099659, 25632621, 37565871, 112697613, 320204329, 960612987, 2241430303, 2881838961, 6724290909, 20172872727]

約数ペア:

[(1, 20172872727), (3, 6724290909), (7, 2881838961), (9, 2241430303), (21, 960612987), (63, 320204329), (179, 112697613), (537, 37565871), (787, 25632621), (1253, 16099659), (1611, 12521957), (2273, 8874999), (2361, 8544207), (3759, 5366553), (5509, 3661803), (6819, 2958333), (7083, 2848069), (11277, 1788851), (15911, 1267857), (16527, 1220601), (20457, 986111), (47733, 422619), (49581, 406867), (140873, 143199)]