20121016316

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{9103}}^1$

素因数の和:9402

約数の個数: 48

約数和(自身を含む): 36744035328

約数和(自身を除く): 16623019012

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 181, 284, 362, 724, 3053, 6106, 7783, 9103, 12212, 12851, 15566, 18206, 25702, 31132, 36412, 51404, 391429, 552593, 646313, 782858, 1105186, 1292626, 1565716, 1647643, 2210372, 2585252, 3295286, 6590572, 27791459, 55582918, 70848649, 111165836, 116982653, 141697298, 233965306, 283394596, 467930612, 5030254079, 10060508158, 20121016316]

約数ペア:

[(1, 20121016316), (2, 10060508158), (4, 5030254079), (43, 467930612), (71, 283394596), (86, 233965306), (142, 141697298), (172, 116982653), (181, 111165836), (284, 70848649), (362, 55582918), (724, 27791459), (3053, 6590572), (6106, 3295286), (7783, 2585252), (9103, 2210372), (12212, 1647643), (12851, 1565716), (15566, 1292626), (18206, 1105186), (25702, 782858), (31132, 646313), (36412, 552593), (51404, 391429)]