20009061

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 29858400

約数和(自身を除く): 9849339

約数列:

[1, 3, 9, 43, 129, 149, 347, 387, 447, 1041, 1341, 3123, 6407, 14921, 19221, 44763, 51703, 57663, 134289, 155109, 465327, 2223229, 6669687, 20009061]

約数ペア:

[(1, 20009061), (3, 6669687), (9, 2223229), (43, 465327), (129, 155109), (149, 134289), (347, 57663), (387, 51703), (447, 44763), (1041, 19221), (1341, 14921), (3123, 6407)]