20212455

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{7789}}^1$

素因数の和:7970

約数の個数: 16

約数和(自身を含む): 32531040

約数和(自身を除く): 12318585

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 7789, 23367, 38945, 116835, 1347497, 4042491, 6737485, 20212455]

約数ペア:

[(1, 20212455), (3, 6737485), (5, 4042491), (15, 1347497), (173, 116835), (519, 38945), (865, 23367), (2595, 7789)]