20218330680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1\times {\mathrm{1753}}^1$

素因数の和:2421

約数の個数: 128

約数和(自身を含む): 61103185920

約数和(自身を除く): 40884855240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 431, 446, 669, 862, 892, 1115, 1293, 1338, 1724, 1753, 1784, 2155, 2230, 2586, 2676, 3345, 3448, 3506, 4310, 4460, 5172, 5259, 5352, 6465, 6690, 7012, 8620, 8765, 8920, 10344, 10518, 12930, 13380, 14024, 17240, 17530, 21036, 25860, 26295, 26760, 35060, 42072, 51720, 52590, 70120, 96113, 105180, 192226, 210360, 288339, 384452, 390919, 480565, 576678, 755543, 768904, 781838, 961130, 1153356, 1172757, 1441695, 1511086, 1563676, 1922260, 1954595, 2266629, 2306712, 2345514, 2883390, 3022172, 3127352, 3777715, 3844520, 3909190, 4533258, 4691028, 5766780, 5863785, 6044344, 7555430, 7818380, 9066516, 9382056, 11333145, 11533560, 11727570, 15110860, 15636760, 18133032, 22666290, 23455140, 30221720, 45332580, 46910280, 90665160, 168486089, 336972178, 505458267, 673944356, 842430445, 1010916534, 1347888712, 1684860890, 2021833068, 2527291335, 3369721780, 4043666136, 5054582670, 6739443560, 10109165340, 20218330680]

約数ペア:

[(1, 20218330680), (2, 10109165340), (3, 6739443560), (4, 5054582670), (5, 4043666136), (6, 3369721780), (8, 2527291335), (10, 2021833068), (12, 1684860890), (15, 1347888712), (20, 1010916534), (24, 842430445), (30, 673944356), (40, 505458267), (60, 336972178), (120, 168486089), (223, 90665160), (431, 46910280), (446, 45332580), (669, 30221720), (862, 23455140), (892, 22666290), (1115, 18133032), (1293, 15636760), (1338, 15110860), (1724, 11727570), (1753, 11533560), (1784, 11333145), (2155, 9382056), (2230, 9066516), (2586, 7818380), (2676, 7555430), (3345, 6044344), (3448, 5863785), (3506, 5766780), (4310, 4691028), (4460, 4533258), (5172, 3909190), (5259, 3844520), (5352, 3777715), (6465, 3127352), (6690, 3022172), (7012, 2883390), (8620, 2345514), (8765, 2306712), (8920, 2266629), (10344, 1954595), (10518, 1922260), (12930, 1563676), (13380, 1511086), (14024, 1441695), (17240, 1172757), (17530, 1153356), (21036, 961130), (25860, 781838), (26295, 768904), (26760, 755543), (35060, 576678), (42072, 480565), (51720, 390919), (52590, 384452), (70120, 288339), (96113, 210360), (105180, 192226)]