20123251964

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 35977810176

約数和(自身を除く): 15854558212

約数列:

[1, 2, 4, 71, 142, 284, 307, 443, 521, 614, 886, 1042, 1228, 1772, 2084, 21797, 31453, 36991, 43594, 62906, 73982, 87188, 125812, 136001, 147964, 159947, 230803, 272002, 319894, 461606, 544004, 639788, 923212, 9656071, 11356237, 16387013, 19312142, 22712474, 32774026, 38624284, 45424948, 65548052, 70856521, 141713042, 283426084, 5030812991, 10061625982, 20123251964]

約数ペア:

[(1, 20123251964), (2, 10061625982), (4, 5030812991), (71, 283426084), (142, 141713042), (284, 70856521), (307, 65548052), (443, 45424948), (521, 38624284), (614, 32774026), (886, 22712474), (1042, 19312142), (1228, 16387013), (1772, 11356237), (2084, 9656071), (21797, 923212), (31453, 639788), (36991, 544004), (43594, 461606), (62906, 319894), (73982, 272002), (87188, 230803), (125812, 159947), (136001, 147964)]