20047900

素因数分解:

$2^2\times 5^2\times {\mathrm{433}}^1\times {\mathrm{463}}^1$

素因数の和:910

約数の個数: 36

約数和(自身を含む): 43698592

約数和(自身を除く): 23650692

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 433, 463, 866, 926, 1732, 1852, 2165, 2315, 4330, 4630, 8660, 9260, 10825, 11575, 21650, 23150, 43300, 46300, 200479, 400958, 801916, 1002395, 2004790, 4009580, 5011975, 10023950, 20047900]

約数ペア:

[(1, 20047900), (2, 10023950), (4, 5011975), (5, 4009580), (10, 2004790), (20, 1002395), (25, 801916), (50, 400958), (100, 200479), (433, 46300), (463, 43300), (866, 23150), (926, 21650), (1732, 11575), (1852, 10825), (2165, 9260), (2315, 8660), (4330, 4630)]