20354548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1201}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 37694720

約数和(自身を除く): 17340172

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 892, 1201, 2402, 4237, 4804, 8474, 16948, 22819, 45638, 91276, 267823, 535646, 1071292, 5088637, 10177274, 20354548]

約数ペア:

[(1, 20354548), (2, 10177274), (4, 5088637), (19, 1071292), (38, 535646), (76, 267823), (223, 91276), (446, 45638), (892, 22819), (1201, 16948), (2402, 8474), (4237, 4804)]