20792562

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 48755520

約数和(自身を除く): 27962958

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 359, 394, 591, 718, 1077, 1182, 1379, 2154, 2513, 2758, 4137, 5026, 7539, 8274, 9653, 15078, 17591, 19306, 28959, 35182, 52773, 57918, 70723, 105546, 141446, 212169, 424338, 495061, 990122, 1485183, 2970366, 3465427, 6930854, 10396281, 20792562]

約数ペア:

[(1, 20792562), (2, 10396281), (3, 6930854), (6, 3465427), (7, 2970366), (14, 1485183), (21, 990122), (42, 495061), (49, 424338), (98, 212169), (147, 141446), (197, 105546), (294, 70723), (359, 57918), (394, 52773), (591, 35182), (718, 28959), (1077, 19306), (1182, 17591), (1379, 15078), (2154, 9653), (2513, 8274), (2758, 7539), (4137, 5026)]