20883480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 68817600

約数和(自身を除く): 47934120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 68, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 255, 290, 340, 348, 353, 408, 435, 493, 510, 580, 680, 696, 706, 870, 986, 1020, 1059, 1160, 1412, 1479, 1740, 1765, 1972, 2040, 2118, 2465, 2824, 2958, 3480, 3530, 3944, 4236, 4930, 5295, 5916, 6001, 7060, 7395, 8472, 9860, 10237, 10590, 11832, 12002, 14120, 14790, 18003, 19720, 20474, 21180, 24004, 29580, 30005, 30711, 36006, 40948, 42360, 48008, 51185, 59160, 60010, 61422, 72012, 81896, 90015, 102370, 120020, 122844, 144024, 153555, 174029, 180030, 204740, 240040, 245688, 307110, 348058, 360060, 409480, 522087, 614220, 696116, 720120, 870145, 1044174, 1228440, 1392232, 1740290, 2088348, 2610435, 3480580, 4176696, 5220870, 6961160, 10441740, 20883480]

約数ペア:

[(1, 20883480), (2, 10441740), (3, 6961160), (4, 5220870), (5, 4176696), (6, 3480580), (8, 2610435), (10, 2088348), (12, 1740290), (15, 1392232), (17, 1228440), (20, 1044174), (24, 870145), (29, 720120), (30, 696116), (34, 614220), (40, 522087), (51, 409480), (58, 360060), (60, 348058), (68, 307110), (85, 245688), (87, 240040), (102, 204740), (116, 180030), (120, 174029), (136, 153555), (145, 144024), (170, 122844), (174, 120020), (204, 102370), (232, 90015), (255, 81896), (290, 72012), (340, 61422), (348, 60010), (353, 59160), (408, 51185), (435, 48008), (493, 42360), (510, 40948), (580, 36006), (680, 30711), (696, 30005), (706, 29580), (870, 24004), (986, 21180), (1020, 20474), (1059, 19720), (1160, 18003), (1412, 14790), (1479, 14120), (1740, 12002), (1765, 11832), (1972, 10590), (2040, 10237), (2118, 9860), (2465, 8472), (2824, 7395), (2958, 7060), (3480, 6001), (3530, 5916), (3944, 5295), (4236, 4930)]