20004579

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10243}}^1$

素因数の和:10287

約数の個数: 24

約数和(自身を含む): 34092032

約数和(自身を除く): 14087453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10243, 30729, 71701, 92187, 215103, 317533, 645309, 952599, 2222731, 2857797, 6668193, 20004579]

約数ペア:

[(1, 20004579), (3, 6668193), (7, 2857797), (9, 2222731), (21, 952599), (31, 645309), (63, 317533), (93, 215103), (217, 92187), (279, 71701), (651, 30729), (1953, 10243)]