20040993

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 14242527

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 991, 2247, 2889, 2973, 6741, 6937, 8919, 20223, 20811, 26757, 62433, 106037, 187299, 318111, 742259, 954333, 2226777, 2862999, 6680331, 20040993]

約数ペア:

[(1, 20040993), (3, 6680331), (7, 2862999), (9, 2226777), (21, 954333), (27, 742259), (63, 318111), (107, 187299), (189, 106037), (321, 62433), (749, 26757), (963, 20811), (991, 20223), (2247, 8919), (2889, 6937), (2973, 6741)]