20841184

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 53597376

約数和(自身を除く): 32756192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 224, 238, 272, 364, 416, 421, 442, 476, 544, 728, 842, 884, 952, 1456, 1547, 1684, 1768, 1904, 2912, 2947, 3094, 3368, 3536, 3808, 5473, 5894, 6188, 6736, 7072, 7157, 10946, 11788, 12376, 13472, 14314, 21892, 23576, 24752, 28628, 38311, 43784, 47152, 49504, 50099, 57256, 76622, 87568, 93041, 94304, 100198, 114512, 153244, 175136, 186082, 200396, 229024, 306488, 372164, 400792, 612976, 651287, 744328, 801584, 1225952, 1302574, 1488656, 1603168, 2605148, 2977312, 5210296, 10420592, 20841184]

約数ペア:

[(1, 20841184), (2, 10420592), (4, 5210296), (7, 2977312), (8, 2605148), (13, 1603168), (14, 1488656), (16, 1302574), (17, 1225952), (26, 801584), (28, 744328), (32, 651287), (34, 612976), (52, 400792), (56, 372164), (68, 306488), (91, 229024), (104, 200396), (112, 186082), (119, 175136), (136, 153244), (182, 114512), (208, 100198), (221, 94304), (224, 93041), (238, 87568), (272, 76622), (364, 57256), (416, 50099), (421, 49504), (442, 47152), (476, 43784), (544, 38311), (728, 28628), (842, 24752), (884, 23576), (952, 21892), (1456, 14314), (1547, 13472), (1684, 12376), (1768, 11788), (1904, 10946), (2912, 7157), (2947, 7072), (3094, 6736), (3368, 6188), (3536, 5894), (3808, 5473)]