20825578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8627}}^1$

素因数の和:8717

約数の個数: 16

約数和(自身を含む): 33545664

約数和(自身を除く): 12720086

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8627, 17254, 146659, 293318, 612517, 1225034, 10412789, 20825578]

約数ペア:

[(1, 20825578), (2, 10412789), (17, 1225034), (34, 612517), (71, 293318), (142, 146659), (1207, 17254), (2414, 8627)]