20021004

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4001}}^1$

素因数の和:4150

約数の個数: 36

約数和(自身を含む): 50985480

約数和(自身を除く): 30964476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4001, 5004, 8002, 12003, 16004, 24006, 36009, 48012, 72018, 144036, 556139, 1112278, 1668417, 2224556, 3336834, 5005251, 6673668, 10010502, 20021004]

約数ペア:

[(1, 20021004), (2, 10010502), (3, 6673668), (4, 5005251), (6, 3336834), (9, 2224556), (12, 1668417), (18, 1112278), (36, 556139), (139, 144036), (278, 72018), (417, 48012), (556, 36009), (834, 24006), (1251, 16004), (1668, 12003), (2502, 8002), (4001, 5004)]