20246688

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 216

約数和(自身を含む): 73198944

約数和(自身を除く): 52952256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 83, 84, 88, 96, 99, 112, 121, 126, 132, 144, 154, 166, 168, 176, 198, 224, 231, 242, 249, 252, 264, 288, 308, 332, 336, 352, 363, 396, 462, 484, 498, 504, 528, 581, 616, 664, 672, 693, 726, 747, 792, 847, 913, 924, 968, 996, 1008, 1056, 1089, 1162, 1232, 1328, 1386, 1452, 1494, 1584, 1694, 1743, 1826, 1848, 1936, 1992, 2016, 2178, 2324, 2464, 2541, 2656, 2739, 2772, 2904, 2988, 3168, 3388, 3486, 3652, 3696, 3872, 3984, 4356, 4648, 5082, 5229, 5478, 5544, 5808, 5976, 6391, 6776, 6972, 7304, 7392, 7623, 7968, 8217, 8712, 9296, 10043, 10164, 10458, 10956, 11088, 11616, 11952, 12782, 13552, 13944, 14608, 15246, 16434, 17424, 18592, 19173, 20086, 20328, 20916, 21912, 22176, 23904, 25564, 27104, 27888, 29216, 30129, 30492, 32868, 34848, 38346, 40172, 40656, 41832, 43824, 51128, 55776, 57519, 60258, 60984, 65736, 70301, 76692, 80344, 81312, 83664, 87648, 90387, 102256, 115038, 120516, 121968, 131472, 140602, 153384, 160688, 167328, 180774, 204512, 210903, 230076, 241032, 243936, 262944, 281204, 306768, 321376, 361548, 421806, 460152, 482064, 562408, 613536, 632709, 723096, 843612, 920304, 964128, 1124816, 1265418, 1446192, 1687224, 1840608, 2249632, 2530836, 2892384, 3374448, 5061672, 6748896, 10123344, 20246688]

約数ペア:

[(1, 20246688), (2, 10123344), (3, 6748896), (4, 5061672), (6, 3374448), (7, 2892384), (8, 2530836), (9, 2249632), (11, 1840608), (12, 1687224), (14, 1446192), (16, 1265418), (18, 1124816), (21, 964128), (22, 920304), (24, 843612), (28, 723096), (32, 632709), (33, 613536), (36, 562408), (42, 482064), (44, 460152), (48, 421806), (56, 361548), (63, 321376), (66, 306768), (72, 281204), (77, 262944), (83, 243936), (84, 241032), (88, 230076), (96, 210903), (99, 204512), (112, 180774), (121, 167328), (126, 160688), (132, 153384), (144, 140602), (154, 131472), (166, 121968), (168, 120516), (176, 115038), (198, 102256), (224, 90387), (231, 87648), (242, 83664), (249, 81312), (252, 80344), (264, 76692), (288, 70301), (308, 65736), (332, 60984), (336, 60258), (352, 57519), (363, 55776), (396, 51128), (462, 43824), (484, 41832), (498, 40656), (504, 40172), (528, 38346), (581, 34848), (616, 32868), (664, 30492), (672, 30129), (693, 29216), (726, 27888), (747, 27104), (792, 25564), (847, 23904), (913, 22176), (924, 21912), (968, 20916), (996, 20328), (1008, 20086), (1056, 19173), (1089, 18592), (1162, 17424), (1232, 16434), (1328, 15246), (1386, 14608), (1452, 13944), (1494, 13552), (1584, 12782), (1694, 11952), (1743, 11616), (1826, 11088), (1848, 10956), (1936, 10458), (1992, 10164), (2016, 10043), (2178, 9296), (2324, 8712), (2464, 8217), (2541, 7968), (2656, 7623), (2739, 7392), (2772, 7304), (2904, 6972), (2988, 6776), (3168, 6391), (3388, 5976), (3486, 5808), (3652, 5544), (3696, 5478), (3872, 5229), (3984, 5082), (4356, 4648)]