19975755

素因数分解:

$3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4201}}^1$

素因数の和:4526

約数の個数: 16

約数和(自身を含む): 32069664

約数和(自身を除く): 12093909

約数列:

[1, 3, 5, 15, 317, 951, 1585, 4201, 4755, 12603, 21005, 63015, 1331717, 3995151, 6658585, 19975755]

約数ペア:

[(1, 19975755), (3, 6658585), (5, 3995151), (15, 1331717), (317, 63015), (951, 21005), (1585, 12603), (4201, 4755)]