20480626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9473}}^1$

素因数の和:9545

約数の個数: 16

約数和(自身を含む): 32742144

約数和(自身を除く): 12261518

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9473, 18946, 217879, 435758, 445231, 890462, 10240313, 20480626]

約数ペア:

[(1, 20480626), (2, 10240313), (23, 890462), (46, 445231), (47, 435758), (94, 217879), (1081, 18946), (2162, 9473)]