20803774208

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{7673}}^1$

素因数の和:7802

約数の個数: 144

約数和(自身を含む): 50821525440

約数和(自身を除く): 30017751232

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 89, 112, 119, 128, 136, 178, 224, 238, 256, 272, 356, 448, 476, 544, 623, 712, 896, 952, 1088, 1246, 1424, 1513, 1792, 1904, 2176, 2492, 2848, 3026, 3808, 4352, 4984, 5696, 6052, 7616, 7673, 9968, 10591, 11392, 12104, 15232, 15346, 19936, 21182, 22784, 24208, 30464, 30692, 39872, 42364, 48416, 53711, 61384, 79744, 84728, 96832, 107422, 122768, 130441, 159488, 169456, 193664, 214844, 245536, 260882, 338912, 387328, 429688, 491072, 521764, 677824, 682897, 859376, 913087, 982144, 1043528, 1355648, 1365794, 1718752, 1826174, 1964288, 2087056, 2711296, 2731588, 3437504, 3652348, 4174112, 4780279, 5463176, 6875008, 7304696, 8348224, 9560558, 10926352, 11609249, 13750016, 14609392, 16696448, 19121116, 21852704, 23218498, 29218784, 33392896, 38242232, 43705408, 46436996, 58437568, 76484464, 81264743, 87410816, 92873992, 116875136, 152968928, 162529486, 174821632, 185747984, 233750272, 305937856, 325058972, 371495968, 611875712, 650117944, 742991936, 1223751424, 1300235888, 1485983872, 2600471776, 2971967744, 5200943552, 10401887104, 20803774208]

約数ペア:

[(1, 20803774208), (2, 10401887104), (4, 5200943552), (7, 2971967744), (8, 2600471776), (14, 1485983872), (16, 1300235888), (17, 1223751424), (28, 742991936), (32, 650117944), (34, 611875712), (56, 371495968), (64, 325058972), (68, 305937856), (89, 233750272), (112, 185747984), (119, 174821632), (128, 162529486), (136, 152968928), (178, 116875136), (224, 92873992), (238, 87410816), (256, 81264743), (272, 76484464), (356, 58437568), (448, 46436996), (476, 43705408), (544, 38242232), (623, 33392896), (712, 29218784), (896, 23218498), (952, 21852704), (1088, 19121116), (1246, 16696448), (1424, 14609392), (1513, 13750016), (1792, 11609249), (1904, 10926352), (2176, 9560558), (2492, 8348224), (2848, 7304696), (3026, 6875008), (3808, 5463176), (4352, 4780279), (4984, 4174112), (5696, 3652348), (6052, 3437504), (7616, 2731588), (7673, 2711296), (9968, 2087056), (10591, 1964288), (11392, 1826174), (12104, 1718752), (15232, 1365794), (15346, 1355648), (19936, 1043528), (21182, 982144), (22784, 913087), (24208, 859376), (30464, 682897), (30692, 677824), (39872, 521764), (42364, 491072), (48416, 429688), (53711, 387328), (61384, 338912), (79744, 260882), (84728, 245536), (96832, 214844), (107422, 193664), (122768, 169456), (130441, 159488)]