16620045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2939}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 13015155

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 2939, 5655, 8817, 14695, 38207, 44085, 85231, 114621, 191035, 255693, 426155, 573105, 1108003, 1278465, 3324009, 5540015, 16620045]

約数ペア:

[(1, 16620045), (3, 5540015), (5, 3324009), (13, 1278465), (15, 1108003), (29, 573105), (39, 426155), (65, 255693), (87, 191035), (145, 114621), (195, 85231), (377, 44085), (435, 38207), (1131, 14695), (1885, 8817), (2939, 5655)]