20604480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 168

約数和(自身を含む): 71396352

約数和(自身を除く): 50791872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 127, 130, 156, 160, 169, 192, 195, 208, 240, 254, 260, 312, 320, 338, 381, 390, 416, 480, 507, 508, 520, 624, 635, 676, 762, 780, 832, 845, 960, 1014, 1016, 1040, 1248, 1270, 1352, 1524, 1560, 1651, 1690, 1905, 2028, 2032, 2080, 2496, 2535, 2540, 2704, 3048, 3120, 3302, 3380, 3810, 4056, 4064, 4160, 4953, 5070, 5080, 5408, 6096, 6240, 6604, 6760, 7620, 8112, 8128, 8255, 9906, 10140, 10160, 10816, 12192, 12480, 13208, 13520, 15240, 16224, 16510, 19812, 20280, 20320, 21463, 24384, 24765, 26416, 27040, 30480, 32448, 33020, 39624, 40560, 40640, 42926, 49530, 52832, 54080, 60960, 64389, 66040, 79248, 81120, 85852, 99060, 105664, 107315, 121920, 128778, 132080, 158496, 162240, 171704, 198120, 214630, 257556, 264160, 316992, 321945, 343408, 396240, 429260, 515112, 528320, 643890, 686816, 792480, 858520, 1030224, 1287780, 1373632, 1584960, 1717040, 2060448, 2575560, 3434080, 4120896, 5151120, 6868160, 10302240, 20604480]

約数ペア:

[(1, 20604480), (2, 10302240), (3, 6868160), (4, 5151120), (5, 4120896), (6, 3434080), (8, 2575560), (10, 2060448), (12, 1717040), (13, 1584960), (15, 1373632), (16, 1287780), (20, 1030224), (24, 858520), (26, 792480), (30, 686816), (32, 643890), (39, 528320), (40, 515112), (48, 429260), (52, 396240), (60, 343408), (64, 321945), (65, 316992), (78, 264160), (80, 257556), (96, 214630), (104, 198120), (120, 171704), (127, 162240), (130, 158496), (156, 132080), (160, 128778), (169, 121920), (192, 107315), (195, 105664), (208, 99060), (240, 85852), (254, 81120), (260, 79248), (312, 66040), (320, 64389), (338, 60960), (381, 54080), (390, 52832), (416, 49530), (480, 42926), (507, 40640), (508, 40560), (520, 39624), (624, 33020), (635, 32448), (676, 30480), (762, 27040), (780, 26416), (832, 24765), (845, 24384), (960, 21463), (1014, 20320), (1016, 20280), (1040, 19812), (1248, 16510), (1270, 16224), (1352, 15240), (1524, 13520), (1560, 13208), (1651, 12480), (1690, 12192), (1905, 10816), (2028, 10160), (2032, 10140), (2080, 9906), (2496, 8255), (2535, 8128), (2540, 8112), (2704, 7620), (3048, 6760), (3120, 6604), (3302, 6240), (3380, 6096), (3810, 5408), (4056, 5080), (4064, 5070), (4160, 4953)]