20393300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4339}}^1$

素因数の和:4400

約数の個数: 36

約数和(自身を含む): 45205440

約数和(自身を除く): 24812140

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4339, 4700, 8678, 17356, 21695, 43390, 86780, 108475, 203933, 216950, 407866, 433900, 815732, 1019665, 2039330, 4078660, 5098325, 10196650, 20393300]

約数ペア:

[(1, 20393300), (2, 10196650), (4, 5098325), (5, 4078660), (10, 2039330), (20, 1019665), (25, 815732), (47, 433900), (50, 407866), (94, 216950), (100, 203933), (188, 108475), (235, 86780), (470, 43390), (940, 21695), (1175, 17356), (2350, 8678), (4339, 4700)]