20874501

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3253}}^1$

素因数の和:3313

約数の個数: 24

約数和(自身を含む): 32487936

約数和(自身を除く): 11613435

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3253, 6417, 9759, 29277, 74819, 100843, 224457, 302529, 673371, 907587, 2319389, 6958167, 20874501]

約数ペア:

[(1, 20874501), (3, 6958167), (9, 2319389), (23, 907587), (31, 673371), (69, 302529), (93, 224457), (207, 100843), (279, 74819), (713, 29277), (2139, 9759), (3253, 6417)]