20216400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 120

約数和(自身を含む): 68638464

約数和(自身を除く): 48422064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 510, 600, 680, 816, 850, 991, 1020, 1200, 1275, 1360, 1700, 1982, 2040, 2550, 2973, 3400, 3964, 4080, 4955, 5100, 5946, 6800, 7928, 9910, 10200, 11892, 14865, 15856, 16847, 19820, 20400, 23784, 24775, 29730, 33694, 39640, 47568, 49550, 50541, 59460, 67388, 74325, 79280, 84235, 99100, 101082, 118920, 134776, 148650, 168470, 198200, 202164, 237840, 252705, 269552, 297300, 336940, 396400, 404328, 421175, 505410, 594600, 673880, 808656, 842350, 1010820, 1189200, 1263525, 1347760, 1684700, 2021640, 2527050, 3369400, 4043280, 5054100, 6738800, 10108200, 20216400]

約数ペア:

[(1, 20216400), (2, 10108200), (3, 6738800), (4, 5054100), (5, 4043280), (6, 3369400), (8, 2527050), (10, 2021640), (12, 1684700), (15, 1347760), (16, 1263525), (17, 1189200), (20, 1010820), (24, 842350), (25, 808656), (30, 673880), (34, 594600), (40, 505410), (48, 421175), (50, 404328), (51, 396400), (60, 336940), (68, 297300), (75, 269552), (80, 252705), (85, 237840), (100, 202164), (102, 198200), (120, 168470), (136, 148650), (150, 134776), (170, 118920), (200, 101082), (204, 99100), (240, 84235), (255, 79280), (272, 74325), (300, 67388), (340, 59460), (400, 50541), (408, 49550), (425, 47568), (510, 39640), (600, 33694), (680, 29730), (816, 24775), (850, 23784), (991, 20400), (1020, 19820), (1200, 16847), (1275, 15856), (1360, 14865), (1700, 11892), (1982, 10200), (2040, 9910), (2550, 7928), (2973, 6800), (3400, 5946), (3964, 5100), (4080, 4955)]