20277904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55103}}^1$

素因数の和:55134

約数の個数: 20

約数和(自身を含む): 40997376

約数和(自身を除く): 20719472

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55103, 110206, 220412, 440824, 881648, 1267369, 2534738, 5069476, 10138952, 20277904]

約数ペア:

[(1, 20277904), (2, 10138952), (4, 5069476), (8, 2534738), (16, 1267369), (23, 881648), (46, 440824), (92, 220412), (184, 110206), (368, 55103)]