20790864

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 160

約数和(自身を含む): 66960000

約数和(自身を除く): 46169136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 34, 36, 38, 48, 51, 54, 57, 68, 72, 76, 102, 108, 114, 136, 144, 149, 152, 153, 171, 204, 216, 228, 272, 298, 304, 306, 323, 342, 408, 432, 447, 456, 459, 513, 596, 612, 646, 684, 816, 894, 912, 918, 969, 1026, 1192, 1224, 1292, 1341, 1368, 1788, 1836, 1938, 2052, 2384, 2448, 2533, 2584, 2682, 2736, 2831, 2907, 3576, 3672, 3876, 4023, 4104, 5066, 5168, 5364, 5662, 5814, 7152, 7344, 7599, 7752, 8046, 8208, 8493, 8721, 10132, 10728, 11324, 11628, 15198, 15504, 16092, 16986, 17442, 20264, 21456, 22648, 22797, 23256, 25479, 30396, 32184, 33972, 34884, 40528, 45296, 45594, 46512, 48127, 50958, 60792, 64368, 67944, 68391, 69768, 76437, 91188, 96254, 101916, 121584, 135888, 136782, 139536, 144381, 152874, 182376, 192508, 203832, 273564, 288762, 305748, 364752, 385016, 407664, 433143, 547128, 577524, 611496, 770032, 866286, 1094256, 1155048, 1222992, 1299429, 1732572, 2310096, 2598858, 3465144, 5197716, 6930288, 10395432, 20790864]

約数ペア:

[(1, 20790864), (2, 10395432), (3, 6930288), (4, 5197716), (6, 3465144), (8, 2598858), (9, 2310096), (12, 1732572), (16, 1299429), (17, 1222992), (18, 1155048), (19, 1094256), (24, 866286), (27, 770032), (34, 611496), (36, 577524), (38, 547128), (48, 433143), (51, 407664), (54, 385016), (57, 364752), (68, 305748), (72, 288762), (76, 273564), (102, 203832), (108, 192508), (114, 182376), (136, 152874), (144, 144381), (149, 139536), (152, 136782), (153, 135888), (171, 121584), (204, 101916), (216, 96254), (228, 91188), (272, 76437), (298, 69768), (304, 68391), (306, 67944), (323, 64368), (342, 60792), (408, 50958), (432, 48127), (447, 46512), (456, 45594), (459, 45296), (513, 40528), (596, 34884), (612, 33972), (646, 32184), (684, 30396), (816, 25479), (894, 23256), (912, 22797), (918, 22648), (969, 21456), (1026, 20264), (1192, 17442), (1224, 16986), (1292, 16092), (1341, 15504), (1368, 15198), (1788, 11628), (1836, 11324), (1938, 10728), (2052, 10132), (2384, 8721), (2448, 8493), (2533, 8208), (2584, 8046), (2682, 7752), (2736, 7599), (2831, 7344), (2907, 7152), (3576, 5814), (3672, 5662), (3876, 5364), (4023, 5168), (4104, 5066)]