20309220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6637}}^1$

素因数の和:6669

約数の個数: 72

約数和(自身を含む): 65238264

約数和(自身を除く): 44929044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6637, 13274, 19911, 26548, 33185, 39822, 59733, 66370, 79644, 99555, 112829, 119466, 132740, 199110, 225658, 238932, 298665, 338487, 398220, 451316, 564145, 597330, 676974, 1015461, 1128290, 1194660, 1353948, 1692435, 2030922, 2256580, 3384870, 4061844, 5077305, 6769740, 10154610, 20309220]

約数ペア:

[(1, 20309220), (2, 10154610), (3, 6769740), (4, 5077305), (5, 4061844), (6, 3384870), (9, 2256580), (10, 2030922), (12, 1692435), (15, 1353948), (17, 1194660), (18, 1128290), (20, 1015461), (30, 676974), (34, 597330), (36, 564145), (45, 451316), (51, 398220), (60, 338487), (68, 298665), (85, 238932), (90, 225658), (102, 199110), (153, 132740), (170, 119466), (180, 112829), (204, 99555), (255, 79644), (306, 66370), (340, 59733), (510, 39822), (612, 33185), (765, 26548), (1020, 19911), (1530, 13274), (3060, 6637)]