20155979085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{397907}}^1$

素因数の和:398233

約数の個数: 32

約数和(自身を含む): 35296031232

約数和(自身を除く): 15140052147

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 307, 921, 1535, 3377, 4605, 10131, 16885, 50655, 397907, 1193721, 1989535, 4376977, 5968605, 13130931, 21884885, 65654655, 122157449, 366472347, 610787245, 1343731939, 1832361735, 4031195817, 6718659695, 20155979085]

約数ペア:

[(1, 20155979085), (3, 6718659695), (5, 4031195817), (11, 1832361735), (15, 1343731939), (33, 610787245), (55, 366472347), (165, 122157449), (307, 65654655), (921, 21884885), (1535, 13130931), (3377, 5968605), (4605, 4376977), (10131, 1989535), (16885, 1193721), (50655, 397907)]