20991633408

素因数分解:

$2^{11}\times 3^4\times {\mathrm{126541}}^1$

素因数の和:126575

約数の個数: 120

約数和(自身を含む): 62700928290

約数和(自身を除く): 41709294882

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 512, 576, 648, 768, 864, 1024, 1152, 1296, 1536, 1728, 2048, 2304, 2592, 3072, 3456, 4608, 5184, 6144, 6912, 9216, 10368, 13824, 18432, 20736, 27648, 41472, 55296, 82944, 126541, 165888, 253082, 379623, 506164, 759246, 1012328, 1138869, 1518492, 2024656, 2277738, 3036984, 3416607, 4049312, 4555476, 6073968, 6833214, 8098624, 9110952, 10249821, 12147936, 13666428, 16197248, 18221904, 20499642, 24295872, 27332856, 32394496, 36443808, 40999284, 48591744, 54665712, 64788992, 72887616, 81998568, 97183488, 109331424, 129577984, 145775232, 163997136, 194366976, 218662848, 259155968, 291550464, 327994272, 388733952, 437325696, 583100928, 655988544, 777467904, 874651392, 1166201856, 1311977088, 1749302784, 2332403712, 2623954176, 3498605568, 5247908352, 6997211136, 10495816704, 20991633408]

約数ペア:

[(1, 20991633408), (2, 10495816704), (3, 6997211136), (4, 5247908352), (6, 3498605568), (8, 2623954176), (9, 2332403712), (12, 1749302784), (16, 1311977088), (18, 1166201856), (24, 874651392), (27, 777467904), (32, 655988544), (36, 583100928), (48, 437325696), (54, 388733952), (64, 327994272), (72, 291550464), (81, 259155968), (96, 218662848), (108, 194366976), (128, 163997136), (144, 145775232), (162, 129577984), (192, 109331424), (216, 97183488), (256, 81998568), (288, 72887616), (324, 64788992), (384, 54665712), (432, 48591744), (512, 40999284), (576, 36443808), (648, 32394496), (768, 27332856), (864, 24295872), (1024, 20499642), (1152, 18221904), (1296, 16197248), (1536, 13666428), (1728, 12147936), (2048, 10249821), (2304, 9110952), (2592, 8098624), (3072, 6833214), (3456, 6073968), (4608, 4555476), (5184, 4049312), (6144, 3416607), (6912, 3036984), (9216, 2277738), (10368, 2024656), (13824, 1518492), (18432, 1138869), (20736, 1012328), (27648, 759246), (41472, 506164), (55296, 379623), (82944, 253082), (126541, 165888)]