20120139874

素因数分解:

$2^1\times {\mathrm{131}}^2\times {\mathrm{257}}^1\times {\mathrm{2281}}^1$

素因数の和:2802

約数の個数: 24

約数和(自身を含む): 30544072524

約数和(自身を除く): 10423932650

約数列:

[1, 2, 131, 257, 262, 514, 2281, 4562, 17161, 33667, 34322, 67334, 298811, 586217, 597622, 1172434, 4410377, 8820754, 39144241, 76794427, 78288482, 153588854, 10060069937, 20120139874]

約数ペア:

[(1, 20120139874), (2, 10060069937), (131, 153588854), (257, 78288482), (262, 76794427), (514, 39144241), (2281, 8820754), (4562, 4410377), (17161, 1172434), (33667, 597622), (34322, 586217), (67334, 298811)]