20701576

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8597}}^1$

素因数の和:8653

約数の個数: 32

約数和(自身を含む): 45397440

約数和(自身を除く): 24695864

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8597, 17194, 34388, 60179, 68776, 120358, 240716, 369671, 481432, 739342, 1478684, 2587697, 2957368, 5175394, 10350788, 20701576]

約数ペア:

[(1, 20701576), (2, 10350788), (4, 5175394), (7, 2957368), (8, 2587697), (14, 1478684), (28, 739342), (43, 481432), (56, 369671), (86, 240716), (172, 120358), (301, 68776), (344, 60179), (602, 34388), (1204, 17194), (2408, 8597)]