20031004

素因数分解:

$2^2\times 7^2\times {\mathrm{102199}}^1$

素因数の和:102217

約数の個数: 18

約数和(自身を含む): 40777800

約数和(自身を除く): 20746796

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102199, 204398, 408796, 715393, 1430786, 2861572, 5007751, 10015502, 20031004]

約数ペア:

[(1, 20031004), (2, 10015502), (4, 5007751), (7, 2861572), (14, 1430786), (28, 715393), (49, 408796), (98, 204398), (196, 102199)]