20120685438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1\times {\mathrm{3359}}^1$

素因数の和:4621

約数の個数: 64

約数和(自身を含む): 46407352320

約数和(自身を除く): 26286666882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1123, 1778, 2246, 2667, 3359, 3369, 5334, 6718, 6738, 7861, 10077, 15722, 20154, 23513, 23583, 47026, 47166, 70539, 141078, 142621, 285242, 426593, 427863, 853186, 855726, 998347, 1279779, 1996694, 2559558, 2986151, 2995041, 3772157, 5972302, 5990082, 7544314, 8958453, 11316471, 17916906, 22632942, 26405099, 52810198, 79215297, 158430594, 479063939, 958127878, 1437191817, 2874383634, 3353447573, 6706895146, 10060342719, 20120685438]

約数ペア:

[(1, 20120685438), (2, 10060342719), (3, 6706895146), (6, 3353447573), (7, 2874383634), (14, 1437191817), (21, 958127878), (42, 479063939), (127, 158430594), (254, 79215297), (381, 52810198), (762, 26405099), (889, 22632942), (1123, 17916906), (1778, 11316471), (2246, 8958453), (2667, 7544314), (3359, 5990082), (3369, 5972302), (5334, 3772157), (6718, 2995041), (6738, 2986151), (7861, 2559558), (10077, 1996694), (15722, 1279779), (20154, 998347), (23513, 855726), (23583, 853186), (47026, 427863), (47166, 426593), (70539, 285242), (141078, 142621)]