20188692020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{392929}}^1$

素因数の和:393312

約数の個数: 48

約数和(自身を含む): 48585008640

約数和(自身を除く): 28396316620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 734, 1468, 1835, 2569, 3670, 5138, 7340, 10276, 12845, 25690, 51380, 392929, 785858, 1571716, 1964645, 2750503, 3929290, 5501006, 7858580, 11002012, 13752515, 27505030, 55010060, 144204943, 288409886, 576819772, 721024715, 1009434601, 1442049430, 2018869202, 2884098860, 4037738404, 5047173005, 10094346010, 20188692020]

約数ペア:

[(1, 20188692020), (2, 10094346010), (4, 5047173005), (5, 4037738404), (7, 2884098860), (10, 2018869202), (14, 1442049430), (20, 1009434601), (28, 721024715), (35, 576819772), (70, 288409886), (140, 144204943), (367, 55010060), (734, 27505030), (1468, 13752515), (1835, 11002012), (2569, 7858580), (3670, 5501006), (5138, 3929290), (7340, 2750503), (10276, 1964645), (12845, 1571716), (25690, 785858), (51380, 392929)]