20786637310

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{498361}}^1$

素因数の和:498508

約数の個数: 32

約数和(自身を含む): 38680864992

約数和(自身を除く): 17894227682

約数列:

[1, 2, 5, 10, 43, 86, 97, 194, 215, 430, 485, 970, 4171, 8342, 20855, 41710, 498361, 996722, 2491805, 4983610, 21429523, 42859046, 48341017, 96682034, 107147615, 214295230, 241705085, 483410170, 2078663731, 4157327462, 10393318655, 20786637310]

約数ペア:

[(1, 20786637310), (2, 10393318655), (5, 4157327462), (10, 2078663731), (43, 483410170), (86, 241705085), (97, 214295230), (194, 107147615), (215, 96682034), (430, 48341017), (485, 42859046), (970, 21429523), (4171, 4983610), (8342, 2491805), (20855, 996722), (41710, 498361)]