20317440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 288

約数和(自身を含む): 78293376

約数和(自身を除く): 57975936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 37, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 74, 78, 80, 88, 96, 104, 110, 111, 120, 128, 130, 132, 143, 148, 156, 160, 165, 176, 185, 192, 195, 208, 220, 222, 240, 256, 260, 264, 286, 296, 312, 320, 330, 352, 370, 384, 390, 407, 416, 429, 440, 444, 480, 481, 520, 528, 555, 572, 592, 624, 640, 660, 704, 715, 740, 768, 780, 814, 832, 858, 880, 888, 960, 962, 1040, 1056, 1110, 1144, 1184, 1221, 1248, 1280, 1320, 1408, 1430, 1443, 1480, 1560, 1628, 1664, 1716, 1760, 1776, 1920, 1924, 2035, 2080, 2112, 2145, 2220, 2288, 2368, 2405, 2442, 2496, 2640, 2816, 2860, 2886, 2960, 3120, 3256, 3328, 3432, 3520, 3552, 3840, 3848, 4070, 4160, 4224, 4290, 4440, 4576, 4736, 4810, 4884, 4992, 5280, 5291, 5720, 5772, 5920, 6105, 6240, 6512, 6864, 7040, 7104, 7215, 7696, 8140, 8320, 8448, 8580, 8880, 9152, 9472, 9620, 9768, 9984, 10560, 10582, 11440, 11544, 11840, 12210, 12480, 13024, 13728, 14080, 14208, 14430, 15392, 15873, 16280, 16640, 17160, 17760, 18304, 19240, 19536, 21120, 21164, 22880, 23088, 23680, 24420, 24960, 26048, 26455, 27456, 28416, 28860, 30784, 31746, 32560, 34320, 35520, 36608, 38480, 39072, 42240, 42328, 45760, 46176, 47360, 48840, 49920, 52096, 52910, 54912, 57720, 61568, 63492, 65120, 68640, 71040, 76960, 78144, 79365, 84656, 91520, 92352, 97680, 104192, 105820, 109824, 115440, 123136, 126984, 130240, 137280, 142080, 153920, 156288, 158730, 169312, 183040, 184704, 195360, 211640, 230880, 253968, 260480, 274560, 307840, 312576, 317460, 338624, 369408, 390720, 423280, 461760, 507936, 520960, 549120, 615680, 634920, 677248, 781440, 846560, 923520, 1015872, 1269840, 1354496, 1562880, 1693120, 1847040, 2031744, 2539680, 3386240, 4063488, 5079360, 6772480, 10158720, 20317440]

約数ペア:

[(1, 20317440), (2, 10158720), (3, 6772480), (4, 5079360), (5, 4063488), (6, 3386240), (8, 2539680), (10, 2031744), (11, 1847040), (12, 1693120), (13, 1562880), (15, 1354496), (16, 1269840), (20, 1015872), (22, 923520), (24, 846560), (26, 781440), (30, 677248), (32, 634920), (33, 615680), (37, 549120), (39, 520960), (40, 507936), (44, 461760), (48, 423280), (52, 390720), (55, 369408), (60, 338624), (64, 317460), (65, 312576), (66, 307840), (74, 274560), (78, 260480), (80, 253968), (88, 230880), (96, 211640), (104, 195360), (110, 184704), (111, 183040), (120, 169312), (128, 158730), (130, 156288), (132, 153920), (143, 142080), (148, 137280), (156, 130240), (160, 126984), (165, 123136), (176, 115440), (185, 109824), (192, 105820), (195, 104192), (208, 97680), (220, 92352), (222, 91520), (240, 84656), (256, 79365), (260, 78144), (264, 76960), (286, 71040), (296, 68640), (312, 65120), (320, 63492), (330, 61568), (352, 57720), (370, 54912), (384, 52910), (390, 52096), (407, 49920), (416, 48840), (429, 47360), (440, 46176), (444, 45760), (480, 42328), (481, 42240), (520, 39072), (528, 38480), (555, 36608), (572, 35520), (592, 34320), (624, 32560), (640, 31746), (660, 30784), (704, 28860), (715, 28416), (740, 27456), (768, 26455), (780, 26048), (814, 24960), (832, 24420), (858, 23680), (880, 23088), (888, 22880), (960, 21164), (962, 21120), (1040, 19536), (1056, 19240), (1110, 18304), (1144, 17760), (1184, 17160), (1221, 16640), (1248, 16280), (1280, 15873), (1320, 15392), (1408, 14430), (1430, 14208), (1443, 14080), (1480, 13728), (1560, 13024), (1628, 12480), (1664, 12210), (1716, 11840), (1760, 11544), (1776, 11440), (1920, 10582), (1924, 10560), (2035, 9984), (2080, 9768), (2112, 9620), (2145, 9472), (2220, 9152), (2288, 8880), (2368, 8580), (2405, 8448), (2442, 8320), (2496, 8140), (2640, 7696), (2816, 7215), (2860, 7104), (2886, 7040), (2960, 6864), (3120, 6512), (3256, 6240), (3328, 6105), (3432, 5920), (3520, 5772), (3552, 5720), (3840, 5291), (3848, 5280), (4070, 4992), (4160, 4884), (4224, 4810), (4290, 4736), (4440, 4576)]