20369168

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55351}}^1$

素因数の和:55382

約数の個数: 20

約数和(自身を含む): 41181888

約数和(自身を除く): 20812720

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55351, 110702, 221404, 442808, 885616, 1273073, 2546146, 5092292, 10184584, 20369168]

約数ペア:

[(1, 20369168), (2, 10184584), (4, 5092292), (8, 2546146), (16, 1273073), (23, 885616), (46, 442808), (92, 221404), (184, 110702), (368, 55351)]