20604000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 72176832

約数和(自身を除く): 51572832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 96, 100, 101, 102, 120, 125, 136, 150, 160, 170, 200, 202, 204, 240, 250, 255, 272, 300, 303, 340, 375, 400, 404, 408, 425, 480, 500, 505, 510, 544, 600, 606, 680, 750, 800, 808, 816, 850, 1000, 1010, 1020, 1200, 1212, 1275, 1360, 1500, 1515, 1616, 1632, 1700, 1717, 2000, 2020, 2040, 2125, 2400, 2424, 2525, 2550, 2720, 3000, 3030, 3232, 3400, 3434, 4000, 4040, 4080, 4250, 4848, 5050, 5100, 5151, 6000, 6060, 6375, 6800, 6868, 7575, 8080, 8160, 8500, 8585, 9696, 10100, 10200, 10302, 12000, 12120, 12625, 12750, 13600, 13736, 15150, 16160, 17000, 17170, 20200, 20400, 20604, 24240, 25250, 25500, 25755, 27472, 30300, 34000, 34340, 37875, 40400, 40800, 41208, 42925, 48480, 50500, 51000, 51510, 54944, 60600, 68000, 68680, 75750, 80800, 82416, 85850, 101000, 102000, 103020, 121200, 128775, 137360, 151500, 164832, 171700, 202000, 204000, 206040, 214625, 242400, 257550, 274720, 303000, 343400, 404000, 412080, 429250, 515100, 606000, 643875, 686800, 824160, 858500, 1030200, 1212000, 1287750, 1373600, 1717000, 2060400, 2575500, 3434000, 4120800, 5151000, 6868000, 10302000, 20604000]

約数ペア:

[(1, 20604000), (2, 10302000), (3, 6868000), (4, 5151000), (5, 4120800), (6, 3434000), (8, 2575500), (10, 2060400), (12, 1717000), (15, 1373600), (16, 1287750), (17, 1212000), (20, 1030200), (24, 858500), (25, 824160), (30, 686800), (32, 643875), (34, 606000), (40, 515100), (48, 429250), (50, 412080), (51, 404000), (60, 343400), (68, 303000), (75, 274720), (80, 257550), (85, 242400), (96, 214625), (100, 206040), (101, 204000), (102, 202000), (120, 171700), (125, 164832), (136, 151500), (150, 137360), (160, 128775), (170, 121200), (200, 103020), (202, 102000), (204, 101000), (240, 85850), (250, 82416), (255, 80800), (272, 75750), (300, 68680), (303, 68000), (340, 60600), (375, 54944), (400, 51510), (404, 51000), (408, 50500), (425, 48480), (480, 42925), (500, 41208), (505, 40800), (510, 40400), (544, 37875), (600, 34340), (606, 34000), (680, 30300), (750, 27472), (800, 25755), (808, 25500), (816, 25250), (850, 24240), (1000, 20604), (1010, 20400), (1020, 20200), (1200, 17170), (1212, 17000), (1275, 16160), (1360, 15150), (1500, 13736), (1515, 13600), (1616, 12750), (1632, 12625), (1700, 12120), (1717, 12000), (2000, 10302), (2020, 10200), (2040, 10100), (2125, 9696), (2400, 8585), (2424, 8500), (2525, 8160), (2550, 8080), (2720, 7575), (3000, 6868), (3030, 6800), (3232, 6375), (3400, 6060), (3434, 6000), (4000, 5151), (4040, 5100), (4080, 5050), (4250, 4848)]