20295981

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{12323}}^1$

素因数の和:12393

約数の個数: 16

約数和(自身を含む): 30563520

約数和(自身を除く): 10267539

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 12323, 36969, 110907, 332721, 751703, 2255109, 6765327, 20295981]

約数ペア:

[(1, 20295981), (3, 6765327), (9, 2255109), (27, 751703), (61, 332721), (183, 110907), (549, 36969), (1647, 12323)]