20808515530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1\times {\mathrm{2837}}^1$

素因数の和:3495

約数の個数: 64

約数和(自身を含む): 41267698560

約数和(自身を除く): 20459183030

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 509, 655, 1018, 1310, 1441, 2545, 2837, 2882, 5090, 5599, 5674, 7205, 11198, 14185, 14410, 27995, 28370, 31207, 55990, 62414, 66679, 133358, 156035, 312070, 333395, 371647, 666790, 733469, 743294, 1444033, 1466938, 1858235, 2888066, 3667345, 3716470, 4088117, 7220165, 7334690, 8176234, 14440330, 15884363, 20440585, 31768726, 40881170, 79421815, 158843630, 189168323, 378336646, 945841615, 1891683230, 2080851553, 4161703106, 10404257765, 20808515530]

約数ペア:

[(1, 20808515530), (2, 10404257765), (5, 4161703106), (10, 2080851553), (11, 1891683230), (22, 945841615), (55, 378336646), (110, 189168323), (131, 158843630), (262, 79421815), (509, 40881170), (655, 31768726), (1018, 20440585), (1310, 15884363), (1441, 14440330), (2545, 8176234), (2837, 7334690), (2882, 7220165), (5090, 4088117), (5599, 3716470), (5674, 3667345), (7205, 2888066), (11198, 1858235), (14185, 1466938), (14410, 1444033), (27995, 743294), (28370, 733469), (31207, 666790), (55990, 371647), (62414, 333395), (66679, 312070), (133358, 156035)]