20515608

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^1\times {\mathrm{3433}}^1$

素因数の和:3528

約数の個数: 48

約数和(自身を含む): 56248920

約数和(自身を除く): 35733312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 166, 249, 332, 498, 664, 747, 996, 1494, 1992, 2988, 3433, 5976, 6866, 10299, 13732, 20598, 27464, 30897, 41196, 61794, 82392, 123588, 247176, 284939, 569878, 854817, 1139756, 1709634, 2279512, 2564451, 3419268, 5128902, 6838536, 10257804, 20515608]

約数ペア:

[(1, 20515608), (2, 10257804), (3, 6838536), (4, 5128902), (6, 3419268), (8, 2564451), (9, 2279512), (12, 1709634), (18, 1139756), (24, 854817), (36, 569878), (72, 284939), (83, 247176), (166, 123588), (249, 82392), (332, 61794), (498, 41196), (664, 30897), (747, 27464), (996, 20598), (1494, 13732), (1992, 10299), (2988, 6866), (3433, 5976)]