20454927474955

素因数分解:

$5^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1\times {\mathrm{2207}}^1\times {\mathrm{18433}}^1$

素因数の和:21315

約数の個数: 32

約数和(自身を含む): 24722234394624

約数和(自身を除く): 4267306919669

約数列:

[1, 5, 227, 443, 1135, 2207, 2215, 11035, 18433, 92165, 100561, 500989, 502805, 977701, 2504945, 4184291, 4888505, 8165819, 20921455, 40681631, 40829095, 203408155, 221938127, 1109690635, 1853640913, 9234730237, 9268204565, 18021962533, 46173651185, 90109812665, 4090985494991, 20454927474955]

約数ペア:

[(1, 20454927474955), (5, 4090985494991), (227, 90109812665), (443, 46173651185), (1135, 18021962533), (2207, 9268204565), (2215, 9234730237), (11035, 1853640913), (18433, 1109690635), (92165, 221938127), (100561, 203408155), (500989, 40829095), (502805, 40681631), (977701, 20921455), (2504945, 8165819), (4184291, 4888505)]