20236749

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 10898355

約数列:

[1, 3, 13, 17, 39, 51, 131, 221, 233, 393, 663, 699, 1703, 2227, 3029, 3961, 5109, 6681, 9087, 11883, 28951, 30523, 51493, 86853, 91569, 154479, 396799, 518891, 1190397, 1556673, 6745583, 20236749]

約数ペア:

[(1, 20236749), (3, 6745583), (13, 1556673), (17, 1190397), (39, 518891), (51, 396799), (131, 154479), (221, 91569), (233, 86853), (393, 51493), (663, 30523), (699, 28951), (1703, 11883), (2227, 9087), (3029, 6681), (3961, 5109)]