20502000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 240

約数和(自身を含む): 76950432

約数和(自身を除く): 56448432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 48, 50, 51, 60, 67, 68, 72, 75, 80, 85, 90, 100, 102, 120, 125, 134, 136, 144, 150, 153, 170, 180, 200, 201, 204, 225, 240, 250, 255, 268, 272, 300, 306, 335, 340, 360, 375, 400, 402, 408, 425, 450, 500, 510, 536, 600, 603, 612, 670, 680, 720, 750, 765, 804, 816, 850, 900, 1000, 1005, 1020, 1072, 1125, 1139, 1200, 1206, 1224, 1275, 1340, 1360, 1500, 1530, 1608, 1675, 1700, 1800, 2000, 2010, 2040, 2125, 2250, 2278, 2412, 2448, 2550, 2680, 3000, 3015, 3060, 3216, 3350, 3400, 3417, 3600, 3825, 4020, 4080, 4250, 4500, 4556, 4824, 5025, 5100, 5360, 5695, 6000, 6030, 6120, 6375, 6700, 6800, 6834, 7650, 8040, 8375, 8500, 9000, 9112, 9648, 10050, 10200, 10251, 11390, 12060, 12240, 12750, 13400, 13668, 15075, 15300, 16080, 16750, 17000, 17085, 18000, 18224, 19125, 20100, 20400, 20502, 22780, 24120, 25125, 25500, 26800, 27336, 28475, 30150, 30600, 33500, 34000, 34170, 38250, 40200, 41004, 45560, 48240, 50250, 51000, 51255, 54672, 56950, 60300, 61200, 67000, 68340, 75375, 76500, 80400, 82008, 85425, 91120, 100500, 102000, 102510, 113900, 120600, 134000, 136680, 142375, 150750, 153000, 164016, 170850, 201000, 205020, 227800, 241200, 256275, 273360, 284750, 301500, 306000, 341700, 402000, 410040, 427125, 455600, 512550, 569500, 603000, 683400, 820080, 854250, 1025100, 1139000, 1206000, 1281375, 1366800, 1708500, 2050200, 2278000, 2562750, 3417000, 4100400, 5125500, 6834000, 10251000, 20502000]

約数ペア:

[(1, 20502000), (2, 10251000), (3, 6834000), (4, 5125500), (5, 4100400), (6, 3417000), (8, 2562750), (9, 2278000), (10, 2050200), (12, 1708500), (15, 1366800), (16, 1281375), (17, 1206000), (18, 1139000), (20, 1025100), (24, 854250), (25, 820080), (30, 683400), (34, 603000), (36, 569500), (40, 512550), (45, 455600), (48, 427125), (50, 410040), (51, 402000), (60, 341700), (67, 306000), (68, 301500), (72, 284750), (75, 273360), (80, 256275), (85, 241200), (90, 227800), (100, 205020), (102, 201000), (120, 170850), (125, 164016), (134, 153000), (136, 150750), (144, 142375), (150, 136680), (153, 134000), (170, 120600), (180, 113900), (200, 102510), (201, 102000), (204, 100500), (225, 91120), (240, 85425), (250, 82008), (255, 80400), (268, 76500), (272, 75375), (300, 68340), (306, 67000), (335, 61200), (340, 60300), (360, 56950), (375, 54672), (400, 51255), (402, 51000), (408, 50250), (425, 48240), (450, 45560), (500, 41004), (510, 40200), (536, 38250), (600, 34170), (603, 34000), (612, 33500), (670, 30600), (680, 30150), (720, 28475), (750, 27336), (765, 26800), (804, 25500), (816, 25125), (850, 24120), (900, 22780), (1000, 20502), (1005, 20400), (1020, 20100), (1072, 19125), (1125, 18224), (1139, 18000), (1200, 17085), (1206, 17000), (1224, 16750), (1275, 16080), (1340, 15300), (1360, 15075), (1500, 13668), (1530, 13400), (1608, 12750), (1675, 12240), (1700, 12060), (1800, 11390), (2000, 10251), (2010, 10200), (2040, 10050), (2125, 9648), (2250, 9112), (2278, 9000), (2412, 8500), (2448, 8375), (2550, 8040), (2680, 7650), (3000, 6834), (3015, 6800), (3060, 6700), (3216, 6375), (3350, 6120), (3400, 6030), (3417, 6000), (3600, 5695), (3825, 5360), (4020, 5100), (4080, 5025), (4250, 4824), (4500, 4556)]