20778826216

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{349}}^1\times {\mathrm{38561}}^1$

素因数の和:39109

約数の個数: 32

約数和(自身を含む): 39275397000

約数和(自身を除く): 18496570784

約数列:

[1, 2, 4, 8, 193, 349, 386, 698, 772, 1396, 1544, 2792, 38561, 67357, 77122, 134714, 154244, 269428, 308488, 538856, 7442273, 13457789, 14884546, 26915578, 29769092, 53831156, 59538184, 107662312, 2597353277, 5194706554, 10389413108, 20778826216]

約数ペア:

[(1, 20778826216), (2, 10389413108), (4, 5194706554), (8, 2597353277), (193, 107662312), (349, 59538184), (386, 53831156), (698, 29769092), (772, 26915578), (1396, 14884546), (1544, 13457789), (2792, 7442273), (38561, 538856), (67357, 308488), (77122, 269428), (134714, 154244)]