20217120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1$

素因数の和:583

約数の個数: 192

約数和(自身を含む): 79543296

約数和(自身を除く): 59326176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 547, 560, 616, 660, 672, 770, 840, 880, 924, 1056, 1094, 1120, 1155, 1232, 1320, 1540, 1641, 1680, 1760, 1848, 2188, 2310, 2464, 2640, 2735, 3080, 3282, 3360, 3696, 3829, 4376, 4620, 5280, 5470, 6017, 6160, 6564, 7392, 7658, 8205, 8752, 9240, 10940, 11487, 12034, 12320, 13128, 15316, 16410, 17504, 18051, 18480, 19145, 21880, 22974, 24068, 26256, 30085, 30632, 32820, 36102, 36960, 38290, 42119, 43760, 45948, 48136, 52512, 57435, 60170, 61264, 65640, 72204, 76580, 84238, 87520, 90255, 91896, 96272, 114870, 120340, 122528, 126357, 131280, 144408, 153160, 168476, 180510, 183792, 192544, 210595, 229740, 240680, 252714, 262560, 288816, 306320, 336952, 361020, 367584, 421190, 459480, 481360, 505428, 577632, 612640, 631785, 673904, 722040, 842380, 918960, 962720, 1010856, 1263570, 1347808, 1444080, 1684760, 1837920, 2021712, 2527140, 2888160, 3369520, 4043424, 5054280, 6739040, 10108560, 20217120]

約数ペア:

[(1, 20217120), (2, 10108560), (3, 6739040), (4, 5054280), (5, 4043424), (6, 3369520), (7, 2888160), (8, 2527140), (10, 2021712), (11, 1837920), (12, 1684760), (14, 1444080), (15, 1347808), (16, 1263570), (20, 1010856), (21, 962720), (22, 918960), (24, 842380), (28, 722040), (30, 673904), (32, 631785), (33, 612640), (35, 577632), (40, 505428), (42, 481360), (44, 459480), (48, 421190), (55, 367584), (56, 361020), (60, 336952), (66, 306320), (70, 288816), (77, 262560), (80, 252714), (84, 240680), (88, 229740), (96, 210595), (105, 192544), (110, 183792), (112, 180510), (120, 168476), (132, 153160), (140, 144408), (154, 131280), (160, 126357), (165, 122528), (168, 120340), (176, 114870), (210, 96272), (220, 91896), (224, 90255), (231, 87520), (240, 84238), (264, 76580), (280, 72204), (308, 65640), (330, 61264), (336, 60170), (352, 57435), (385, 52512), (420, 48136), (440, 45948), (462, 43760), (480, 42119), (528, 38290), (547, 36960), (560, 36102), (616, 32820), (660, 30632), (672, 30085), (770, 26256), (840, 24068), (880, 22974), (924, 21880), (1056, 19145), (1094, 18480), (1120, 18051), (1155, 17504), (1232, 16410), (1320, 15316), (1540, 13128), (1641, 12320), (1680, 12034), (1760, 11487), (1848, 10940), (2188, 9240), (2310, 8752), (2464, 8205), (2640, 7658), (2735, 7392), (3080, 6564), (3282, 6160), (3360, 6017), (3696, 5470), (3829, 5280), (4376, 4620)]