20451416

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{111149}}^1$

素因数の和:111178

約数の個数: 16

約数和(自身を含む): 40014000

約数和(自身を除く): 19562584

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 111149, 222298, 444596, 889192, 2556427, 5112854, 10225708, 20451416]

約数ペア:

[(1, 20451416), (2, 10225708), (4, 5112854), (8, 2556427), (23, 889192), (46, 444596), (92, 222298), (184, 111149)]