20473818

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{148361}}^1$

素因数の和:148389

約数の個数: 16

約数和(自身を含む): 42728256

約数和(自身を除く): 22254438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 148361, 296722, 445083, 890166, 3412303, 6824606, 10236909, 20473818]

約数ペア:

[(1, 20473818), (2, 10236909), (3, 6824606), (6, 3412303), (23, 890166), (46, 445083), (69, 296722), (138, 148361)]