20080308220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2706241}}^1$

素因数の和:2706310

約数の個数: 48

約数和(自身を含む): 49102054848

約数和(自身を除く): 29021746628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 2706241, 5412482, 10824964, 13531205, 18943687, 27062410, 37887374, 54124820, 75774748, 94718435, 143430773, 189436870, 286861546, 378873740, 573723092, 717153865, 1004015411, 1434307730, 2008030822, 2868615460, 4016061644, 5020077055, 10040154110, 20080308220]

約数ペア:

[(1, 20080308220), (2, 10040154110), (4, 5020077055), (5, 4016061644), (7, 2868615460), (10, 2008030822), (14, 1434307730), (20, 1004015411), (28, 717153865), (35, 573723092), (53, 378873740), (70, 286861546), (106, 189436870), (140, 143430773), (212, 94718435), (265, 75774748), (371, 54124820), (530, 37887374), (742, 27062410), (1060, 18943687), (1484, 13531205), (1855, 10824964), (3710, 5412482), (7420, 2706241)]