20349911065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{21031}}^1$

素因数の和:21361

約数の個数: 32

約数和(自身を含む): 27118156032

約数和(自身を除く): 6768244967

約数列:

[1, 5, 11, 55, 73, 241, 365, 803, 1205, 2651, 4015, 13255, 17593, 21031, 87965, 105155, 193523, 231341, 967615, 1156705, 1535263, 5068471, 7676315, 16887893, 25342355, 55753181, 84439465, 278765905, 369998383, 1849991915, 4069982213, 20349911065]

約数ペア:

[(1, 20349911065), (5, 4069982213), (11, 1849991915), (55, 369998383), (73, 278765905), (241, 84439465), (365, 55753181), (803, 25342355), (1205, 16887893), (2651, 7676315), (4015, 5068471), (13255, 1535263), (17593, 1156705), (21031, 967615), (87965, 231341), (105155, 193523)]