20597400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11443}}^1$

素因数の和:11465

約数の個数: 72

約数和(自身を含む): 69178980

約数和(自身を除く): 48581580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11443, 22886, 34329, 45772, 57215, 68658, 91544, 102987, 114430, 137316, 171645, 205974, 228860, 274632, 286075, 343290, 411948, 457720, 514935, 572150, 686580, 823896, 858225, 1029870, 1144300, 1373160, 1716450, 2059740, 2288600, 2574675, 3432900, 4119480, 5149350, 6865800, 10298700, 20597400]

約数ペア:

[(1, 20597400), (2, 10298700), (3, 6865800), (4, 5149350), (5, 4119480), (6, 3432900), (8, 2574675), (9, 2288600), (10, 2059740), (12, 1716450), (15, 1373160), (18, 1144300), (20, 1029870), (24, 858225), (25, 823896), (30, 686580), (36, 572150), (40, 514935), (45, 457720), (50, 411948), (60, 343290), (72, 286075), (75, 274632), (90, 228860), (100, 205974), (120, 171645), (150, 137316), (180, 114430), (200, 102987), (225, 91544), (300, 68658), (360, 57215), (450, 45772), (600, 34329), (900, 22886), (1800, 11443)]