20081296352

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{910799}}^1$

素因数の和:910875

約数の個数: 48

約数和(自身を含む): 43379582400

約数和(自身を除く): 23298286048

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 1378, 1696, 2756, 5512, 11024, 22048, 910799, 1821598, 3643196, 7286392, 11840387, 14572784, 23680774, 29145568, 47361548, 48272347, 94723096, 96544694, 189446192, 193089388, 378892384, 386178776, 627540511, 772357552, 1255081022, 1544715104, 2510162044, 5020324088, 10040648176, 20081296352]

約数ペア:

[(1, 20081296352), (2, 10040648176), (4, 5020324088), (8, 2510162044), (13, 1544715104), (16, 1255081022), (26, 772357552), (32, 627540511), (52, 386178776), (53, 378892384), (104, 193089388), (106, 189446192), (208, 96544694), (212, 94723096), (416, 48272347), (424, 47361548), (689, 29145568), (848, 23680774), (1378, 14572784), (1696, 11840387), (2756, 7286392), (5512, 3643196), (11024, 1821598), (22048, 910799)]