20080455

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 33426624

約数和(自身を除く): 13346169

約数列:

[1, 3, 5, 15, 37, 97, 111, 185, 291, 373, 485, 555, 1119, 1455, 1865, 3589, 5595, 10767, 13801, 17945, 36181, 41403, 53835, 69005, 108543, 180905, 207015, 542715, 1338697, 4016091, 6693485, 20080455]

約数ペア:

[(1, 20080455), (3, 6693485), (5, 4016091), (15, 1338697), (37, 542715), (97, 207015), (111, 180905), (185, 108543), (291, 69005), (373, 53835), (485, 41403), (555, 36181), (1119, 17945), (1455, 13801), (1865, 10767), (3589, 5595)]