20784883712

素因数分解:

$2^{11}\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 192

約数和(自身を含む): 45936072000

約数和(自身を除く): 25151188288

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 113, 116, 128, 152, 163, 226, 232, 256, 304, 326, 452, 464, 512, 551, 608, 652, 904, 928, 1024, 1102, 1216, 1304, 1808, 1856, 2048, 2147, 2204, 2432, 2608, 3097, 3277, 3616, 3712, 4294, 4408, 4727, 4864, 5216, 6194, 6554, 7232, 7424, 8588, 8816, 9454, 9728, 10432, 12388, 13108, 14464, 14848, 17176, 17632, 18419, 18908, 19456, 20864, 24776, 26216, 28928, 29696, 34352, 35264, 36838, 37816, 38912, 41728, 49552, 52432, 57856, 59392, 62263, 68704, 70528, 73676, 75632, 83456, 89813, 99104, 104864, 115712, 124526, 137408, 141056, 147352, 151264, 166912, 179626, 198208, 209728, 231424, 249052, 274816, 282112, 294704, 302528, 333824, 349961, 359252, 396416, 419456, 498104, 534151, 549632, 564224, 589408, 605056, 699922, 718504, 792832, 838912, 996208, 1068302, 1099264, 1128448, 1178816, 1210112, 1399844, 1437008, 1585664, 1677824, 1992416, 2136604, 2198528, 2357632, 2420224, 2799688, 2874016, 3171328, 3355648, 3984832, 4273208, 4397056, 4715264, 4840448, 5599376, 5748032, 6342656, 6711296, 7969664, 8546416, 9430528, 9680896, 10148869, 11198752, 11496064, 15939328, 17092832, 18861056, 20297738, 22397504, 22992128, 31878656, 34185664, 37722112, 40595476, 44795008, 45984256, 63757312, 68371328, 81190952, 89590016, 91968512, 127514624, 136742656, 162381904, 179180032, 183937024, 273485312, 324763808, 358360064, 546970624, 649527616, 716720128, 1093941248, 1299055232, 2598110464, 5196220928, 10392441856, 20784883712]

約数ペア:

[(1, 20784883712), (2, 10392441856), (4, 5196220928), (8, 2598110464), (16, 1299055232), (19, 1093941248), (29, 716720128), (32, 649527616), (38, 546970624), (58, 358360064), (64, 324763808), (76, 273485312), (113, 183937024), (116, 179180032), (128, 162381904), (152, 136742656), (163, 127514624), (226, 91968512), (232, 89590016), (256, 81190952), (304, 68371328), (326, 63757312), (452, 45984256), (464, 44795008), (512, 40595476), (551, 37722112), (608, 34185664), (652, 31878656), (904, 22992128), (928, 22397504), (1024, 20297738), (1102, 18861056), (1216, 17092832), (1304, 15939328), (1808, 11496064), (1856, 11198752), (2048, 10148869), (2147, 9680896), (2204, 9430528), (2432, 8546416), (2608, 7969664), (3097, 6711296), (3277, 6342656), (3616, 5748032), (3712, 5599376), (4294, 4840448), (4408, 4715264), (4727, 4397056), (4864, 4273208), (5216, 3984832), (6194, 3355648), (6554, 3171328), (7232, 2874016), (7424, 2799688), (8588, 2420224), (8816, 2357632), (9454, 2198528), (9728, 2136604), (10432, 1992416), (12388, 1677824), (13108, 1585664), (14464, 1437008), (14848, 1399844), (17176, 1210112), (17632, 1178816), (18419, 1128448), (18908, 1099264), (19456, 1068302), (20864, 996208), (24776, 838912), (26216, 792832), (28928, 718504), (29696, 699922), (34352, 605056), (35264, 589408), (36838, 564224), (37816, 549632), (38912, 534151), (41728, 498104), (49552, 419456), (52432, 396416), (57856, 359252), (59392, 349961), (62263, 333824), (68704, 302528), (70528, 294704), (73676, 282112), (75632, 274816), (83456, 249052), (89813, 231424), (99104, 209728), (104864, 198208), (115712, 179626), (124526, 166912), (137408, 151264), (141056, 147352)]