20213192128

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3255991}}^1$

素因数の和:3256100

約数の個数: 28

約数和(自身を含む): 40524076432

約数和(自身を除く): 20310884304

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 6208, 3255991, 6511982, 13023964, 26047928, 52095856, 104191712, 208383424, 315831127, 631662254, 1263324508, 2526649016, 5053298032, 10106596064, 20213192128]

約数ペア:

[(1, 20213192128), (2, 10106596064), (4, 5053298032), (8, 2526649016), (16, 1263324508), (32, 631662254), (64, 315831127), (97, 208383424), (194, 104191712), (388, 52095856), (776, 26047928), (1552, 13023964), (3104, 6511982), (6208, 3255991)]