20672247

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5413}}^1$

素因数の和:5502

約数の個数: 16

約数和(自身を含む): 29452160

約数和(自身を除く): 8779913

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5413, 16239, 102847, 308541, 362671, 1088013, 6890749, 20672247]

約数ペア:

[(1, 20672247), (3, 6890749), (19, 1088013), (57, 362671), (67, 308541), (201, 102847), (1273, 16239), (3819, 5413)]