20767320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 256

約数和(自身を含む): 82252800

約数和(自身を除く): 61485480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 54, 56, 60, 63, 67, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 134, 135, 140, 164, 168, 180, 189, 201, 205, 210, 216, 246, 252, 268, 270, 280, 287, 315, 328, 335, 360, 369, 378, 402, 410, 420, 469, 492, 504, 536, 540, 574, 603, 615, 630, 670, 738, 756, 804, 820, 840, 861, 938, 945, 984, 1005, 1080, 1107, 1148, 1206, 1230, 1260, 1340, 1407, 1435, 1476, 1512, 1608, 1640, 1722, 1809, 1845, 1876, 1890, 2010, 2214, 2296, 2345, 2412, 2460, 2520, 2583, 2680, 2747, 2814, 2870, 2952, 3015, 3444, 3618, 3690, 3752, 3780, 4020, 4221, 4305, 4428, 4690, 4824, 4920, 5166, 5494, 5535, 5628, 5740, 6030, 6888, 7035, 7236, 7380, 7560, 7749, 8040, 8241, 8442, 8610, 8856, 9045, 9380, 10332, 10988, 11070, 11256, 11480, 12060, 12663, 12915, 13735, 14070, 14472, 14760, 15498, 16482, 16884, 17220, 18090, 18760, 19229, 20664, 21105, 21976, 22140, 24120, 24723, 25326, 25830, 27470, 28140, 30996, 32964, 33768, 34440, 36180, 38458, 38745, 41205, 42210, 44280, 49446, 50652, 51660, 54940, 56280, 57687, 61992, 63315, 65928, 72360, 74169, 76916, 77490, 82410, 84420, 96145, 98892, 101304, 103320, 109880, 115374, 123615, 126630, 148338, 153832, 154980, 164820, 168840, 173061, 192290, 197784, 230748, 247230, 253260, 288435, 296676, 309960, 329640, 346122, 370845, 384580, 461496, 494460, 506520, 519183, 576870, 593352, 692244, 741690, 769160, 865305, 988920, 1038366, 1153740, 1384488, 1483380, 1730610, 2076732, 2307480, 2595915, 2966760, 3461220, 4153464, 5191830, 6922440, 10383660, 20767320]

約数ペア:

[(1, 20767320), (2, 10383660), (3, 6922440), (4, 5191830), (5, 4153464), (6, 3461220), (7, 2966760), (8, 2595915), (9, 2307480), (10, 2076732), (12, 1730610), (14, 1483380), (15, 1384488), (18, 1153740), (20, 1038366), (21, 988920), (24, 865305), (27, 769160), (28, 741690), (30, 692244), (35, 593352), (36, 576870), (40, 519183), (41, 506520), (42, 494460), (45, 461496), (54, 384580), (56, 370845), (60, 346122), (63, 329640), (67, 309960), (70, 296676), (72, 288435), (82, 253260), (84, 247230), (90, 230748), (105, 197784), (108, 192290), (120, 173061), (123, 168840), (126, 164820), (134, 154980), (135, 153832), (140, 148338), (164, 126630), (168, 123615), (180, 115374), (189, 109880), (201, 103320), (205, 101304), (210, 98892), (216, 96145), (246, 84420), (252, 82410), (268, 77490), (270, 76916), (280, 74169), (287, 72360), (315, 65928), (328, 63315), (335, 61992), (360, 57687), (369, 56280), (378, 54940), (402, 51660), (410, 50652), (420, 49446), (469, 44280), (492, 42210), (504, 41205), (536, 38745), (540, 38458), (574, 36180), (603, 34440), (615, 33768), (630, 32964), (670, 30996), (738, 28140), (756, 27470), (804, 25830), (820, 25326), (840, 24723), (861, 24120), (938, 22140), (945, 21976), (984, 21105), (1005, 20664), (1080, 19229), (1107, 18760), (1148, 18090), (1206, 17220), (1230, 16884), (1260, 16482), (1340, 15498), (1407, 14760), (1435, 14472), (1476, 14070), (1512, 13735), (1608, 12915), (1640, 12663), (1722, 12060), (1809, 11480), (1845, 11256), (1876, 11070), (1890, 10988), (2010, 10332), (2214, 9380), (2296, 9045), (2345, 8856), (2412, 8610), (2460, 8442), (2520, 8241), (2583, 8040), (2680, 7749), (2747, 7560), (2814, 7380), (2870, 7236), (2952, 7035), (3015, 6888), (3444, 6030), (3618, 5740), (3690, 5628), (3752, 5535), (3780, 5494), (4020, 5166), (4221, 4920), (4305, 4824), (4428, 4690)]