20153920

素因数分解:

$2^6\times 5^1\times {\mathrm{62981}}^1$

素因数の和:62998

約数の個数: 28

約数和(自身を含む): 47992284

約数和(自身を除く): 27838364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62981, 125962, 251924, 314905, 503848, 629810, 1007696, 1259620, 2015392, 2519240, 4030784, 5038480, 10076960, 20153920]

約数ペア:

[(1, 20153920), (2, 10076960), (4, 5038480), (5, 4030784), (8, 2519240), (10, 2015392), (16, 1259620), (20, 1007696), (32, 629810), (40, 503848), (64, 314905), (80, 251924), (160, 125962), (320, 62981)]