20259465

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5381}}^1$

素因数の和:5640

約数の個数: 16

約数和(自身を含む): 32550336

約数和(自身を除く): 12290871

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 5381, 16143, 26905, 80715, 1350631, 4051893, 6753155, 20259465]

約数ペア:

[(1, 20259465), (3, 6753155), (5, 4051893), (15, 1350631), (251, 80715), (753, 26905), (1255, 16143), (3765, 5381)]