20318688

素因数分解:

$2^5\times 3^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:108

約数の個数: 168

約数和(自身を含む): 65553768

約数和(自身を除く): 45235080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 67, 72, 78, 81, 96, 104, 108, 117, 134, 144, 156, 162, 201, 208, 216, 234, 243, 268, 288, 312, 324, 351, 402, 416, 432, 468, 486, 536, 603, 624, 648, 702, 729, 804, 864, 871, 936, 972, 1053, 1072, 1206, 1248, 1296, 1404, 1458, 1608, 1742, 1809, 1872, 1944, 2106, 2144, 2412, 2592, 2613, 2808, 2916, 3159, 3216, 3484, 3618, 3744, 3888, 4212, 4824, 5226, 5427, 5616, 5832, 6318, 6432, 6968, 7236, 7776, 7839, 8424, 9477, 9648, 10452, 10854, 11232, 11664, 12636, 13936, 14472, 15678, 16281, 16848, 18954, 19296, 20904, 21708, 23328, 23517, 25272, 27872, 28944, 31356, 32562, 33696, 37908, 41808, 43416, 47034, 48843, 50544, 57888, 62712, 65124, 70551, 75816, 83616, 86832, 94068, 97686, 101088, 125424, 130248, 141102, 151632, 173664, 188136, 195372, 211653, 250848, 260496, 282204, 303264, 376272, 390744, 423306, 520992, 564408, 634959, 752544, 781488, 846612, 1128816, 1269918, 1562976, 1693224, 2257632, 2539836, 3386448, 5079672, 6772896, 10159344, 20318688]

約数ペア:

[(1, 20318688), (2, 10159344), (3, 6772896), (4, 5079672), (6, 3386448), (8, 2539836), (9, 2257632), (12, 1693224), (13, 1562976), (16, 1269918), (18, 1128816), (24, 846612), (26, 781488), (27, 752544), (32, 634959), (36, 564408), (39, 520992), (48, 423306), (52, 390744), (54, 376272), (67, 303264), (72, 282204), (78, 260496), (81, 250848), (96, 211653), (104, 195372), (108, 188136), (117, 173664), (134, 151632), (144, 141102), (156, 130248), (162, 125424), (201, 101088), (208, 97686), (216, 94068), (234, 86832), (243, 83616), (268, 75816), (288, 70551), (312, 65124), (324, 62712), (351, 57888), (402, 50544), (416, 48843), (432, 47034), (468, 43416), (486, 41808), (536, 37908), (603, 33696), (624, 32562), (648, 31356), (702, 28944), (729, 27872), (804, 25272), (864, 23517), (871, 23328), (936, 21708), (972, 20904), (1053, 19296), (1072, 18954), (1206, 16848), (1248, 16281), (1296, 15678), (1404, 14472), (1458, 13936), (1608, 12636), (1742, 11664), (1809, 11232), (1872, 10854), (1944, 10452), (2106, 9648), (2144, 9477), (2412, 8424), (2592, 7839), (2613, 7776), (2808, 7236), (2916, 6968), (3159, 6432), (3216, 6318), (3484, 5832), (3618, 5616), (3744, 5427), (3888, 5226), (4212, 4824)]