20406512

素因数分解:

$2^4\times 7^1\times {\mathrm{182201}}^1$

素因数の和:182216

約数の個数: 20

約数和(自身を含む): 45186096

約数和(自身を除く): 24779584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182201, 364402, 728804, 1275407, 1457608, 2550814, 2915216, 5101628, 10203256, 20406512]

約数ペア:

[(1, 20406512), (2, 10203256), (4, 5101628), (7, 2915216), (8, 2550814), (14, 1457608), (16, 1275407), (28, 728804), (56, 364402), (112, 182201)]