20453397

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 29943552

約数和(自身を除く): 9490155

約数列:

[1, 3, 17, 31, 51, 93, 289, 527, 761, 867, 1581, 2283, 8959, 12937, 23591, 26877, 38811, 70773, 219929, 401047, 659787, 1203141, 6817799, 20453397]

約数ペア:

[(1, 20453397), (3, 6817799), (17, 1203141), (31, 659787), (51, 401047), (93, 219929), (289, 70773), (527, 38811), (761, 26877), (867, 23591), (1581, 12937), (2283, 8959)]