20704028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10499}}^1$

素因数の和:10549

約数の個数: 24

約数和(自身を含む): 39690000

約数和(自身を除く): 18985972

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 10499, 20998, 41996, 178483, 304471, 356966, 608942, 713932, 1217884, 5176007, 10352014, 20704028]

約数ペア:

[(1, 20704028), (2, 10352014), (4, 5176007), (17, 1217884), (29, 713932), (34, 608942), (58, 356966), (68, 304471), (116, 178483), (493, 41996), (986, 20998), (1972, 10499)]