20476245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1361}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 35303040

約数和(自身を除く): 14826795

約数列:

[1, 3, 5, 15, 17, 51, 59, 85, 177, 255, 295, 885, 1003, 1361, 3009, 4083, 5015, 6805, 15045, 20415, 23137, 69411, 80299, 115685, 240897, 347055, 401495, 1204485, 1365083, 4095249, 6825415, 20476245]

約数ペア:

[(1, 20476245), (3, 6825415), (5, 4095249), (15, 1365083), (17, 1204485), (51, 401495), (59, 347055), (85, 240897), (177, 115685), (255, 80299), (295, 69411), (885, 23137), (1003, 20415), (1361, 15045), (3009, 6805), (4083, 5015)]