20454969726

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{3147887}}^1$

素因数の和:3147933

約数の個数: 36

約数和(自身を含む): 46774467792

約数和(自身を除く): 26319498066

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 6498, 3147887, 6295774, 9443661, 18887322, 28330983, 56661966, 59809853, 119619706, 179429559, 358859118, 538288677, 1076577354, 1136387207, 2272774414, 3409161621, 6818323242, 10227484863, 20454969726]

約数ペア:

[(1, 20454969726), (2, 10227484863), (3, 6818323242), (6, 3409161621), (9, 2272774414), (18, 1136387207), (19, 1076577354), (38, 538288677), (57, 358859118), (114, 179429559), (171, 119619706), (342, 59809853), (361, 56661966), (722, 28330983), (1083, 18887322), (2166, 9443661), (3249, 6295774), (6498, 3147887)]