20004436144

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1483}}^1\times {\mathrm{10949}}^1$

素因数の和:12458

約数の個数: 80

約数和(自身を含む): 48359404800

約数和(自身を除く): 28354968656

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 1483, 2966, 5932, 10381, 10949, 11864, 16313, 20762, 21898, 23728, 32626, 41524, 43796, 65252, 76643, 83048, 87592, 114191, 120439, 130504, 153286, 166096, 175184, 228382, 240878, 261008, 306572, 456764, 481756, 613144, 843073, 913528, 963512, 1226288, 1686146, 1827056, 1927024, 3372292, 6744584, 13489168, 16237367, 32474734, 64949468, 113661569, 129898936, 178611037, 227323138, 259797872, 357222074, 454646276, 714444148, 909292552, 1250277259, 1428888296, 1818585104, 2500554518, 2857776592, 5001109036, 10002218072, 20004436144]

約数ペア:

[(1, 20004436144), (2, 10002218072), (4, 5001109036), (7, 2857776592), (8, 2500554518), (11, 1818585104), (14, 1428888296), (16, 1250277259), (22, 909292552), (28, 714444148), (44, 454646276), (56, 357222074), (77, 259797872), (88, 227323138), (112, 178611037), (154, 129898936), (176, 113661569), (308, 64949468), (616, 32474734), (1232, 16237367), (1483, 13489168), (2966, 6744584), (5932, 3372292), (10381, 1927024), (10949, 1827056), (11864, 1686146), (16313, 1226288), (20762, 963512), (21898, 913528), (23728, 843073), (32626, 613144), (41524, 481756), (43796, 456764), (65252, 306572), (76643, 261008), (83048, 240878), (87592, 228382), (114191, 175184), (120439, 166096), (130504, 153286)]