20186779312

素因数分解:

$2^4\times 7^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:856

約数の個数: 160

約数和(自身を含む): 47100556800

約数和(自身を除く): 26913777488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 131, 172, 196, 262, 301, 343, 344, 392, 524, 602, 653, 686, 688, 784, 917, 1048, 1204, 1306, 1372, 1834, 2096, 2107, 2408, 2612, 2744, 3668, 4214, 4571, 4816, 5224, 5488, 5633, 6419, 7336, 8428, 9142, 10448, 11266, 12838, 14672, 14749, 16856, 18284, 22532, 25676, 28079, 29498, 31997, 33712, 36568, 39431, 44933, 45064, 51352, 56158, 58996, 63994, 73136, 78862, 85543, 89866, 90128, 102704, 112316, 117992, 127988, 157724, 171086, 179732, 196553, 223979, 224632, 235984, 255976, 276017, 315448, 342172, 359464, 393106, 447958, 449264, 511952, 552034, 598801, 630896, 684344, 718928, 786212, 895916, 1104068, 1197602, 1368688, 1375871, 1572424, 1791832, 1932119, 2208136, 2395204, 2751742, 3144848, 3583664, 3678349, 3864238, 4191607, 4416272, 4790408, 5503484, 7356698, 7728476, 8383214, 9580816, 9631097, 11006968, 14713396, 15456952, 16766428, 19262194, 22013936, 25748443, 29341249, 29426792, 30913904, 33532856, 38524388, 51496886, 58682498, 58853584, 67065712, 77048776, 102993772, 117364996, 154097552, 180239101, 205987544, 234729992, 360478202, 411975088, 469459984, 720956404, 1261673707, 1441912808, 2523347414, 2883825616, 5046694828, 10093389656, 20186779312]

約数ペア:

[(1, 20186779312), (2, 10093389656), (4, 5046694828), (7, 2883825616), (8, 2523347414), (14, 1441912808), (16, 1261673707), (28, 720956404), (43, 469459984), (49, 411975088), (56, 360478202), (86, 234729992), (98, 205987544), (112, 180239101), (131, 154097552), (172, 117364996), (196, 102993772), (262, 77048776), (301, 67065712), (343, 58853584), (344, 58682498), (392, 51496886), (524, 38524388), (602, 33532856), (653, 30913904), (686, 29426792), (688, 29341249), (784, 25748443), (917, 22013936), (1048, 19262194), (1204, 16766428), (1306, 15456952), (1372, 14713396), (1834, 11006968), (2096, 9631097), (2107, 9580816), (2408, 8383214), (2612, 7728476), (2744, 7356698), (3668, 5503484), (4214, 4790408), (4571, 4416272), (4816, 4191607), (5224, 3864238), (5488, 3678349), (5633, 3583664), (6419, 3144848), (7336, 2751742), (8428, 2395204), (9142, 2208136), (10448, 1932119), (11266, 1791832), (12838, 1572424), (14672, 1375871), (14749, 1368688), (16856, 1197602), (18284, 1104068), (22532, 895916), (25676, 786212), (28079, 718928), (29498, 684344), (31997, 630896), (33712, 598801), (36568, 552034), (39431, 511952), (44933, 449264), (45064, 447958), (51352, 393106), (56158, 359464), (58996, 342172), (63994, 315448), (73136, 276017), (78862, 255976), (85543, 235984), (89866, 224632), (90128, 223979), (102704, 196553), (112316, 179732), (117992, 171086), (127988, 157724)]