20271951

素因数分解:

$3^4\times 7^1\times {\mathrm{35753}}^1$

素因数の和:35772

約数の個数: 20

約数和(自身を含む): 34609872

約数和(自身を除く): 14337921

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35753, 107259, 250271, 321777, 750813, 965331, 2252439, 2895993, 6757317, 20271951]

約数ペア:

[(1, 20271951), (3, 6757317), (7, 2895993), (9, 2252439), (21, 965331), (27, 750813), (63, 321777), (81, 250271), (189, 107259), (567, 35753)]