20122480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35933}}^1$

素因数の和:35953

約数の個数: 40

約数和(自身を含む): 53469792

約数和(自身を除く): 33347312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35933, 71866, 143732, 179665, 251531, 287464, 359330, 503062, 574928, 718660, 1006124, 1257655, 1437320, 2012248, 2515310, 2874640, 4024496, 5030620, 10061240, 20122480]

約数ペア:

[(1, 20122480), (2, 10061240), (4, 5030620), (5, 4024496), (7, 2874640), (8, 2515310), (10, 2012248), (14, 1437320), (16, 1257655), (20, 1006124), (28, 718660), (35, 574928), (40, 503062), (56, 359330), (70, 287464), (80, 251531), (112, 179665), (140, 143732), (280, 71866), (560, 35933)]