20243379

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 12173901

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1607, 4199, 4821, 12597, 20891, 27319, 30533, 62673, 81957, 91599, 355147, 396929, 519061, 1065441, 1190787, 1557183, 6747793, 20243379]

約数ペア:

[(1, 20243379), (3, 6747793), (13, 1557183), (17, 1190787), (19, 1065441), (39, 519061), (51, 396929), (57, 355147), (221, 91599), (247, 81957), (323, 62673), (663, 30533), (741, 27319), (969, 20891), (1607, 12597), (4199, 4821)]