20615200

素因数分解:

$2^5\times 5^2\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 72

約数和(自身を含む): 51160788

約数和(自身を除く): 30545588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 73, 80, 100, 146, 160, 200, 292, 353, 365, 400, 584, 706, 730, 800, 1168, 1412, 1460, 1765, 1825, 2336, 2824, 2920, 3530, 3650, 5648, 5840, 7060, 7300, 8825, 11296, 11680, 14120, 14600, 17650, 25769, 28240, 29200, 35300, 51538, 56480, 58400, 70600, 103076, 128845, 141200, 206152, 257690, 282400, 412304, 515380, 644225, 824608, 1030760, 1288450, 2061520, 2576900, 4123040, 5153800, 10307600, 20615200]

約数ペア:

[(1, 20615200), (2, 10307600), (4, 5153800), (5, 4123040), (8, 2576900), (10, 2061520), (16, 1288450), (20, 1030760), (25, 824608), (32, 644225), (40, 515380), (50, 412304), (73, 282400), (80, 257690), (100, 206152), (146, 141200), (160, 128845), (200, 103076), (292, 70600), (353, 58400), (365, 56480), (400, 51538), (584, 35300), (706, 29200), (730, 28240), (800, 25769), (1168, 17650), (1412, 14600), (1460, 14120), (1765, 11680), (1825, 11296), (2336, 8825), (2824, 7300), (2920, 7060), (3530, 5840), (3650, 5648)]