20734638064

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{881}}^1$

素因数の和:1223

約数の個数: 160

約数和(自身を含む): 49892806656

約数和(自身を除く): 29158168592

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 47, 56, 68, 94, 112, 119, 136, 188, 238, 263, 272, 329, 376, 476, 526, 658, 752, 799, 881, 952, 1052, 1316, 1598, 1762, 1841, 1904, 2104, 2632, 3196, 3524, 3682, 4208, 4471, 5264, 5593, 6167, 6392, 7048, 7364, 8942, 11186, 12334, 12361, 12784, 14096, 14728, 14977, 17884, 22372, 24668, 24722, 29456, 29954, 31297, 35768, 41407, 44744, 49336, 49444, 59908, 62594, 71536, 82814, 86527, 89488, 98672, 98888, 104839, 119816, 125188, 165628, 173054, 197776, 209678, 210137, 231703, 239632, 250376, 289849, 331256, 346108, 419356, 420274, 463406, 500752, 579698, 662512, 692216, 703919, 838712, 840548, 926812, 1159396, 1384432, 1407838, 1470959, 1621921, 1677424, 1681096, 1853624, 2318792, 2815676, 2941918, 3243842, 3362192, 3707248, 3938951, 4637584, 4927433, 5631352, 5883836, 6487684, 7877902, 9854866, 10890041, 11262704, 11767672, 12975368, 15755804, 19709732, 21780082, 23535344, 25950736, 27572657, 31511608, 39419464, 43560164, 55145314, 63023216, 76230287, 78838928, 87120328, 110290628, 152460574, 174240656, 185130697, 220581256, 304921148, 370261394, 441162512, 609842296, 740522788, 1219684592, 1295914879, 1481045576, 2591829758, 2962091152, 5183659516, 10367319032, 20734638064]

約数ペア:

[(1, 20734638064), (2, 10367319032), (4, 5183659516), (7, 2962091152), (8, 2591829758), (14, 1481045576), (16, 1295914879), (17, 1219684592), (28, 740522788), (34, 609842296), (47, 441162512), (56, 370261394), (68, 304921148), (94, 220581256), (112, 185130697), (119, 174240656), (136, 152460574), (188, 110290628), (238, 87120328), (263, 78838928), (272, 76230287), (329, 63023216), (376, 55145314), (476, 43560164), (526, 39419464), (658, 31511608), (752, 27572657), (799, 25950736), (881, 23535344), (952, 21780082), (1052, 19709732), (1316, 15755804), (1598, 12975368), (1762, 11767672), (1841, 11262704), (1904, 10890041), (2104, 9854866), (2632, 7877902), (3196, 6487684), (3524, 5883836), (3682, 5631352), (4208, 4927433), (4471, 4637584), (5264, 3938951), (5593, 3707248), (6167, 3362192), (6392, 3243842), (7048, 2941918), (7364, 2815676), (8942, 2318792), (11186, 1853624), (12334, 1681096), (12361, 1677424), (12784, 1621921), (14096, 1470959), (14728, 1407838), (14977, 1384432), (17884, 1159396), (22372, 926812), (24668, 840548), (24722, 838712), (29456, 703919), (29954, 692216), (31297, 662512), (35768, 579698), (41407, 500752), (44744, 463406), (49336, 420274), (49444, 419356), (59908, 346108), (62594, 331256), (71536, 289849), (82814, 250376), (86527, 239632), (89488, 231703), (98672, 210137), (98888, 209678), (104839, 197776), (119816, 173054), (125188, 165628)]