20176246912

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:582

約数の個数: 128

約数和(自身を含む): 41965672320

約数和(自身を除く): 21789425408

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 73, 106, 128, 131, 146, 212, 262, 292, 311, 424, 524, 584, 622, 848, 1048, 1168, 1244, 1696, 2096, 2336, 2488, 3392, 3869, 4192, 4672, 4976, 6784, 6943, 7738, 8384, 9344, 9563, 9952, 13886, 15476, 16483, 16768, 19126, 19904, 22703, 27772, 30952, 32966, 38252, 39808, 40741, 45406, 55544, 61904, 65932, 76504, 81482, 90812, 111088, 123808, 131864, 153008, 162964, 181624, 222176, 247616, 263728, 306016, 325928, 363248, 444352, 495232, 506839, 527456, 612032, 651856, 726496, 888704, 1013678, 1054912, 1203259, 1224064, 1303712, 1452992, 2027356, 2109824, 2159273, 2406518, 2607424, 2905984, 2974093, 4054712, 4318546, 4813036, 5214848, 5948186, 8109424, 8637092, 9626072, 11896372, 16218848, 17274184, 19252144, 23792744, 32437696, 34548368, 38504288, 47585488, 64875392, 69096736, 77008576, 95170976, 138193472, 154017152, 157626929, 190341952, 276386944, 315253858, 380683904, 630507716, 1261015432, 2522030864, 5044061728, 10088123456, 20176246912]

約数ペア:

[(1, 20176246912), (2, 10088123456), (4, 5044061728), (8, 2522030864), (16, 1261015432), (32, 630507716), (53, 380683904), (64, 315253858), (73, 276386944), (106, 190341952), (128, 157626929), (131, 154017152), (146, 138193472), (212, 95170976), (262, 77008576), (292, 69096736), (311, 64875392), (424, 47585488), (524, 38504288), (584, 34548368), (622, 32437696), (848, 23792744), (1048, 19252144), (1168, 17274184), (1244, 16218848), (1696, 11896372), (2096, 9626072), (2336, 8637092), (2488, 8109424), (3392, 5948186), (3869, 5214848), (4192, 4813036), (4672, 4318546), (4976, 4054712), (6784, 2974093), (6943, 2905984), (7738, 2607424), (8384, 2406518), (9344, 2159273), (9563, 2109824), (9952, 2027356), (13886, 1452992), (15476, 1303712), (16483, 1224064), (16768, 1203259), (19126, 1054912), (19904, 1013678), (22703, 888704), (27772, 726496), (30952, 651856), (32966, 612032), (38252, 527456), (39808, 506839), (40741, 495232), (45406, 444352), (55544, 363248), (61904, 325928), (65932, 306016), (76504, 263728), (81482, 247616), (90812, 222176), (111088, 181624), (123808, 162964), (131864, 153008)]