20684784

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25349}}^1$

素因数の和:25377

約数の個数: 40

約数和(自身を含む): 56581200

約数和(自身を除く): 35896416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25349, 50698, 76047, 101396, 152094, 202792, 304188, 405584, 430933, 608376, 861866, 1216752, 1292799, 1723732, 2585598, 3447464, 5171196, 6894928, 10342392, 20684784]

約数ペア:

[(1, 20684784), (2, 10342392), (3, 6894928), (4, 5171196), (6, 3447464), (8, 2585598), (12, 1723732), (16, 1292799), (17, 1216752), (24, 861866), (34, 608376), (48, 430933), (51, 405584), (68, 304188), (102, 202792), (136, 152094), (204, 101396), (272, 76047), (408, 50698), (816, 25349)]