20405552

素因数分解:

$2^4\times {\mathrm{1031}}^1\times {\mathrm{1237}}^1$

素因数の和:2276

約数の個数: 20

約数和(自身を含む): 39606096

約数和(自身を除く): 19200544

約数列:

[1, 2, 4, 8, 16, 1031, 1237, 2062, 2474, 4124, 4948, 8248, 9896, 16496, 19792, 1275347, 2550694, 5101388, 10202776, 20405552]

約数ペア:

[(1, 20405552), (2, 10202776), (4, 5101388), (8, 2550694), (16, 1275347), (1031, 19792), (1237, 16496), (2062, 9896), (2474, 8248), (4124, 4948)]