20153171660

素因数分解:

$2^2\times 5^1\times {\mathrm{15259}}^1\times {\mathrm{66037}}^1$

素因数の和:81305

約数の個数: 24

約数和(自身を含む): 42325074960

約数和(自身を除く): 22171903300

約数列:

[1, 2, 4, 5, 10, 20, 15259, 30518, 61036, 66037, 76295, 132074, 152590, 264148, 305180, 330185, 660370, 1320740, 1007658583, 2015317166, 4030634332, 5038292915, 10076585830, 20153171660]

約数ペア:

[(1, 20153171660), (2, 10076585830), (4, 5038292915), (5, 4030634332), (10, 2015317166), (20, 1007658583), (15259, 1320740), (30518, 660370), (61036, 330185), (66037, 305180), (76295, 264148), (132074, 152590)]