20668200

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 288

約数和(自身を含む): 80575200

約数和(自身を除く): 59907000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 25, 28, 30, 35, 37, 38, 40, 42, 49, 50, 56, 57, 60, 70, 74, 75, 76, 84, 95, 98, 100, 105, 111, 114, 120, 133, 140, 147, 148, 150, 152, 168, 175, 185, 190, 196, 200, 210, 222, 228, 245, 259, 266, 280, 285, 294, 296, 300, 350, 370, 380, 392, 399, 420, 444, 456, 475, 490, 518, 525, 532, 555, 570, 588, 600, 665, 700, 703, 735, 740, 760, 777, 798, 840, 888, 925, 931, 950, 980, 1036, 1050, 1064, 1110, 1140, 1176, 1225, 1295, 1330, 1400, 1406, 1425, 1470, 1480, 1554, 1596, 1813, 1850, 1862, 1900, 1960, 1995, 2072, 2100, 2109, 2220, 2280, 2450, 2590, 2660, 2775, 2793, 2812, 2850, 2940, 3108, 3192, 3325, 3515, 3626, 3675, 3700, 3724, 3800, 3885, 3990, 4200, 4218, 4440, 4655, 4900, 4921, 5180, 5320, 5439, 5550, 5586, 5624, 5700, 5880, 6216, 6475, 6650, 7030, 7252, 7350, 7400, 7448, 7770, 7980, 8436, 9065, 9310, 9800, 9842, 9975, 10360, 10545, 10878, 11100, 11172, 11400, 12950, 13300, 13965, 14060, 14504, 14700, 14763, 15540, 15960, 16872, 17575, 18130, 18620, 19425, 19684, 19950, 21090, 21756, 22200, 22344, 23275, 24605, 25900, 26600, 27195, 27930, 28120, 29400, 29526, 31080, 34447, 35150, 36260, 37240, 38850, 39368, 39900, 42180, 43512, 45325, 46550, 49210, 51800, 52725, 54390, 55860, 59052, 68894, 69825, 70300, 72520, 73815, 77700, 79800, 84360, 90650, 93100, 98420, 103341, 105450, 108780, 111720, 118104, 123025, 135975, 137788, 139650, 140600, 147630, 155400, 172235, 181300, 186200, 196840, 206682, 210900, 217560, 246050, 271950, 275576, 279300, 295260, 344470, 362600, 369075, 413364, 421800, 492100, 516705, 543900, 558600, 590520, 688940, 738150, 826728, 861175, 984200, 1033410, 1087800, 1377880, 1476300, 1722350, 2066820, 2583525, 2952600, 3444700, 4133640, 5167050, 6889400, 10334100, 20668200]

約数ペア:

[(1, 20668200), (2, 10334100), (3, 6889400), (4, 5167050), (5, 4133640), (6, 3444700), (7, 2952600), (8, 2583525), (10, 2066820), (12, 1722350), (14, 1476300), (15, 1377880), (19, 1087800), (20, 1033410), (21, 984200), (24, 861175), (25, 826728), (28, 738150), (30, 688940), (35, 590520), (37, 558600), (38, 543900), (40, 516705), (42, 492100), (49, 421800), (50, 413364), (56, 369075), (57, 362600), (60, 344470), (70, 295260), (74, 279300), (75, 275576), (76, 271950), (84, 246050), (95, 217560), (98, 210900), (100, 206682), (105, 196840), (111, 186200), (114, 181300), (120, 172235), (133, 155400), (140, 147630), (147, 140600), (148, 139650), (150, 137788), (152, 135975), (168, 123025), (175, 118104), (185, 111720), (190, 108780), (196, 105450), (200, 103341), (210, 98420), (222, 93100), (228, 90650), (245, 84360), (259, 79800), (266, 77700), (280, 73815), (285, 72520), (294, 70300), (296, 69825), (300, 68894), (350, 59052), (370, 55860), (380, 54390), (392, 52725), (399, 51800), (420, 49210), (444, 46550), (456, 45325), (475, 43512), (490, 42180), (518, 39900), (525, 39368), (532, 38850), (555, 37240), (570, 36260), (588, 35150), (600, 34447), (665, 31080), (700, 29526), (703, 29400), (735, 28120), (740, 27930), (760, 27195), (777, 26600), (798, 25900), (840, 24605), (888, 23275), (925, 22344), (931, 22200), (950, 21756), (980, 21090), (1036, 19950), (1050, 19684), (1064, 19425), (1110, 18620), (1140, 18130), (1176, 17575), (1225, 16872), (1295, 15960), (1330, 15540), (1400, 14763), (1406, 14700), (1425, 14504), (1470, 14060), (1480, 13965), (1554, 13300), (1596, 12950), (1813, 11400), (1850, 11172), (1862, 11100), (1900, 10878), (1960, 10545), (1995, 10360), (2072, 9975), (2100, 9842), (2109, 9800), (2220, 9310), (2280, 9065), (2450, 8436), (2590, 7980), (2660, 7770), (2775, 7448), (2793, 7400), (2812, 7350), (2850, 7252), (2940, 7030), (3108, 6650), (3192, 6475), (3325, 6216), (3515, 5880), (3626, 5700), (3675, 5624), (3700, 5586), (3724, 5550), (3800, 5439), (3885, 5320), (3990, 5180), (4200, 4921), (4218, 4900), (4440, 4655)]