2020123600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 240

約数和(自身を含む): 5679279360

約数和(自身を除く): 3659155760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 113, 136, 170, 176, 187, 200, 220, 226, 239, 272, 275, 340, 374, 400, 425, 440, 452, 478, 550, 565, 680, 748, 850, 880, 904, 935, 956, 1100, 1130, 1195, 1243, 1360, 1496, 1700, 1808, 1870, 1912, 1921, 2200, 2260, 2390, 2486, 2629, 2825, 2992, 3400, 3740, 3824, 3842, 4063, 4400, 4520, 4675, 4780, 4972, 5258, 5650, 5975, 6215, 6800, 7480, 7684, 8126, 9040, 9350, 9560, 9605, 9944, 10516, 11300, 11950, 12430, 13145, 14960, 15368, 16252, 18700, 19120, 19210, 19888, 20315, 21032, 21131, 22600, 23900, 24860, 26290, 27007, 30736, 31075, 32504, 37400, 38420, 40630, 42064, 42262, 44693, 45200, 47800, 48025, 49720, 52580, 54014, 62150, 65008, 65725, 74800, 76840, 81260, 84524, 89386, 95600, 96050, 99440, 101575, 105160, 105655, 108028, 124300, 131450, 135035, 153680, 162520, 169048, 178772, 192100, 203150, 210320, 211310, 216056, 223465, 248600, 262900, 270070, 297077, 325040, 338096, 357544, 384200, 406300, 422620, 432112, 446930, 459119, 497200, 525800, 528275, 540140, 594154, 675175, 715088, 768400, 812600, 845240, 893860, 918238, 1051600, 1056550, 1080280, 1117325, 1188308, 1350350, 1485385, 1625200, 1690480, 1787720, 1836476, 2113100, 2160560, 2234650, 2295595, 2376616, 2700700, 2970770, 3575440, 3672952, 4226200, 4469300, 4591190, 4753232, 5050309, 5401400, 5941540, 7345904, 7426925, 8452400, 8938600, 9182380, 10100618, 10802800, 11477975, 11883080, 14853850, 17877200, 18364760, 20201236, 22955950, 23766160, 25251545, 29707700, 36729520, 40402472, 45911900, 50503090, 59415400, 80804944, 91823800, 101006180, 118830800, 126257725, 183647600, 202012360, 252515450, 404024720, 505030900, 1010061800, 2020123600]

約数ペア:

[(1, 2020123600), (2, 1010061800), (4, 505030900), (5, 404024720), (8, 252515450), (10, 202012360), (11, 183647600), (16, 126257725), (17, 118830800), (20, 101006180), (22, 91823800), (25, 80804944), (34, 59415400), (40, 50503090), (44, 45911900), (50, 40402472), (55, 36729520), (68, 29707700), (80, 25251545), (85, 23766160), (88, 22955950), (100, 20201236), (110, 18364760), (113, 17877200), (136, 14853850), (170, 11883080), (176, 11477975), (187, 10802800), (200, 10100618), (220, 9182380), (226, 8938600), (239, 8452400), (272, 7426925), (275, 7345904), (340, 5941540), (374, 5401400), (400, 5050309), (425, 4753232), (440, 4591190), (452, 4469300), (478, 4226200), (550, 3672952), (565, 3575440), (680, 2970770), (748, 2700700), (850, 2376616), (880, 2295595), (904, 2234650), (935, 2160560), (956, 2113100), (1100, 1836476), (1130, 1787720), (1195, 1690480), (1243, 1625200), (1360, 1485385), (1496, 1350350), (1700, 1188308), (1808, 1117325), (1870, 1080280), (1912, 1056550), (1921, 1051600), (2200, 918238), (2260, 893860), (2390, 845240), (2486, 812600), (2629, 768400), (2825, 715088), (2992, 675175), (3400, 594154), (3740, 540140), (3824, 528275), (3842, 525800), (4063, 497200), (4400, 459119), (4520, 446930), (4675, 432112), (4780, 422620), (4972, 406300), (5258, 384200), (5650, 357544), (5975, 338096), (6215, 325040), (6800, 297077), (7480, 270070), (7684, 262900), (8126, 248600), (9040, 223465), (9350, 216056), (9560, 211310), (9605, 210320), (9944, 203150), (10516, 192100), (11300, 178772), (11950, 169048), (12430, 162520), (13145, 153680), (14960, 135035), (15368, 131450), (16252, 124300), (18700, 108028), (19120, 105655), (19210, 105160), (19888, 101575), (20315, 99440), (21032, 96050), (21131, 95600), (22600, 89386), (23900, 84524), (24860, 81260), (26290, 76840), (27007, 74800), (30736, 65725), (31075, 65008), (32504, 62150), (37400, 54014), (38420, 52580), (40630, 49720), (42064, 48025), (42262, 47800), (44693, 45200)]