20578473

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 30501120

約数和(自身を除く): 9922647

約数列:

[1, 3, 9, 79, 103, 237, 281, 309, 711, 843, 927, 2529, 8137, 22199, 24411, 28943, 66597, 73233, 86829, 199791, 260487, 2286497, 6859491, 20578473]

約数ペア:

[(1, 20578473), (3, 6859491), (9, 2286497), (79, 260487), (103, 199791), (237, 86829), (281, 73233), (309, 66597), (711, 28943), (843, 24411), (927, 22199), (2529, 8137)]