20414161920

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12421}}^1$

素因数の和:12556

約数の個数: 176

約数和(自身を含む): 65908945728

約数和(自身を除く): 45494783808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 256, 320, 321, 384, 428, 480, 512, 535, 640, 642, 768, 856, 960, 1024, 1070, 1280, 1284, 1536, 1605, 1712, 1920, 2140, 2560, 2568, 3072, 3210, 3424, 3840, 4280, 5120, 5136, 6420, 6848, 7680, 8560, 10272, 12421, 12840, 13696, 15360, 17120, 20544, 24842, 25680, 27392, 34240, 37263, 41088, 49684, 51360, 54784, 62105, 68480, 74526, 82176, 99368, 102720, 109568, 124210, 136960, 149052, 164352, 186315, 198736, 205440, 248420, 273920, 298104, 328704, 372630, 397472, 410880, 496840, 547840, 596208, 745260, 794944, 821760, 993680, 1192416, 1329047, 1490520, 1589888, 1643520, 1987360, 2384832, 2658094, 2981040, 3179776, 3974720, 3987141, 4769664, 5316188, 5962080, 6359552, 6645235, 7949440, 7974282, 9539328, 10632376, 11924160, 12719104, 13290470, 15898880, 15948564, 19078656, 19935705, 21264752, 23848320, 26580940, 31797760, 31897128, 38157312, 39871410, 42529504, 47696640, 53161880, 63595520, 63794256, 79742820, 85059008, 95393280, 106323760, 127588512, 159485640, 170118016, 190786560, 212647520, 255177024, 318971280, 340236032, 425295040, 510354048, 637942560, 680472064, 850590080, 1020708096, 1275885120, 1360944128, 1701180160, 2041416192, 2551770240, 3402360320, 4082832384, 5103540480, 6804720640, 10207080960, 20414161920]

約数ペア:

[(1, 20414161920), (2, 10207080960), (3, 6804720640), (4, 5103540480), (5, 4082832384), (6, 3402360320), (8, 2551770240), (10, 2041416192), (12, 1701180160), (15, 1360944128), (16, 1275885120), (20, 1020708096), (24, 850590080), (30, 680472064), (32, 637942560), (40, 510354048), (48, 425295040), (60, 340236032), (64, 318971280), (80, 255177024), (96, 212647520), (107, 190786560), (120, 170118016), (128, 159485640), (160, 127588512), (192, 106323760), (214, 95393280), (240, 85059008), (256, 79742820), (320, 63794256), (321, 63595520), (384, 53161880), (428, 47696640), (480, 42529504), (512, 39871410), (535, 38157312), (640, 31897128), (642, 31797760), (768, 26580940), (856, 23848320), (960, 21264752), (1024, 19935705), (1070, 19078656), (1280, 15948564), (1284, 15898880), (1536, 13290470), (1605, 12719104), (1712, 11924160), (1920, 10632376), (2140, 9539328), (2560, 7974282), (2568, 7949440), (3072, 6645235), (3210, 6359552), (3424, 5962080), (3840, 5316188), (4280, 4769664), (5120, 3987141), (5136, 3974720), (6420, 3179776), (6848, 2981040), (7680, 2658094), (8560, 2384832), (10272, 1987360), (12421, 1643520), (12840, 1589888), (13696, 1490520), (15360, 1329047), (17120, 1192416), (20544, 993680), (24842, 821760), (25680, 794944), (27392, 745260), (34240, 596208), (37263, 547840), (41088, 496840), (49684, 410880), (51360, 397472), (54784, 372630), (62105, 328704), (68480, 298104), (74526, 273920), (82176, 248420), (99368, 205440), (102720, 198736), (109568, 186315), (124210, 164352), (136960, 149052)]