20342465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 29949696

約数和(自身を除く): 9607231

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1237, 1265, 1495, 3289, 6185, 13607, 16081, 16445, 28451, 68035, 80405, 142255, 176891, 312961, 369863, 884455, 1564805, 1849315, 4068493, 20342465]

約数ペア:

[(1, 20342465), (5, 4068493), (11, 1849315), (13, 1564805), (23, 884455), (55, 369863), (65, 312961), (115, 176891), (143, 142255), (253, 80405), (299, 68035), (715, 28451), (1237, 16445), (1265, 16081), (1495, 13607), (3289, 6185)]