20686050

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 71424000

約数和(自身を除く): 50737950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 27, 30, 33, 35, 42, 45, 50, 54, 55, 63, 66, 70, 75, 77, 90, 99, 105, 110, 126, 135, 150, 154, 165, 175, 189, 198, 199, 210, 225, 231, 270, 275, 297, 315, 330, 350, 378, 385, 398, 450, 462, 495, 525, 550, 594, 597, 630, 675, 693, 770, 825, 945, 990, 995, 1050, 1155, 1194, 1350, 1386, 1393, 1485, 1575, 1650, 1791, 1890, 1925, 1990, 2079, 2189, 2310, 2475, 2786, 2970, 2985, 3150, 3465, 3582, 3850, 4158, 4179, 4378, 4725, 4950, 4975, 5373, 5775, 5970, 6567, 6930, 6965, 7425, 8358, 8955, 9450, 9950, 10395, 10746, 10945, 11550, 12537, 13134, 13930, 14850, 14925, 15323, 17325, 17910, 19701, 20790, 20895, 21890, 25074, 26865, 29850, 30646, 32835, 34650, 34825, 37611, 39402, 41790, 44775, 45969, 51975, 53730, 54725, 59103, 62685, 65670, 69650, 75222, 76615, 89550, 91938, 98505, 103950, 104475, 109450, 118206, 125370, 134325, 137907, 153230, 164175, 188055, 197010, 208950, 229845, 268650, 275814, 295515, 313425, 328350, 376110, 383075, 413721, 459690, 492525, 591030, 626850, 689535, 766150, 827442, 940275, 985050, 1149225, 1379070, 1477575, 1880550, 2068605, 2298450, 2955150, 3447675, 4137210, 6895350, 10343025, 20686050]

約数ペア:

[(1, 20686050), (2, 10343025), (3, 6895350), (5, 4137210), (6, 3447675), (7, 2955150), (9, 2298450), (10, 2068605), (11, 1880550), (14, 1477575), (15, 1379070), (18, 1149225), (21, 985050), (22, 940275), (25, 827442), (27, 766150), (30, 689535), (33, 626850), (35, 591030), (42, 492525), (45, 459690), (50, 413721), (54, 383075), (55, 376110), (63, 328350), (66, 313425), (70, 295515), (75, 275814), (77, 268650), (90, 229845), (99, 208950), (105, 197010), (110, 188055), (126, 164175), (135, 153230), (150, 137907), (154, 134325), (165, 125370), (175, 118206), (189, 109450), (198, 104475), (199, 103950), (210, 98505), (225, 91938), (231, 89550), (270, 76615), (275, 75222), (297, 69650), (315, 65670), (330, 62685), (350, 59103), (378, 54725), (385, 53730), (398, 51975), (450, 45969), (462, 44775), (495, 41790), (525, 39402), (550, 37611), (594, 34825), (597, 34650), (630, 32835), (675, 30646), (693, 29850), (770, 26865), (825, 25074), (945, 21890), (990, 20895), (995, 20790), (1050, 19701), (1155, 17910), (1194, 17325), (1350, 15323), (1386, 14925), (1393, 14850), (1485, 13930), (1575, 13134), (1650, 12537), (1791, 11550), (1890, 10945), (1925, 10746), (1990, 10395), (2079, 9950), (2189, 9450), (2310, 8955), (2475, 8358), (2786, 7425), (2970, 6965), (2985, 6930), (3150, 6567), (3465, 5970), (3582, 5775), (3850, 5373), (4158, 4975), (4179, 4950), (4378, 4725)]