20016971776

素因数分解:

$2^{14}\times {\mathrm{17}}^1\times {\mathrm{71867}}^1$

素因数の和:71912

約数の個数: 60

約数和(自身を含む): 42388177608

約数和(自身を除く): 22371205832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2048, 2176, 4096, 4352, 8192, 8704, 16384, 17408, 34816, 69632, 71867, 139264, 143734, 278528, 287468, 574936, 1149872, 1221739, 2299744, 2443478, 4599488, 4886956, 9198976, 9773912, 18397952, 19547824, 36795904, 39095648, 73591808, 78191296, 147183616, 156382592, 294367232, 312765184, 588734464, 625530368, 1177468928, 1251060736, 2502121472, 5004242944, 10008485888, 20016971776]

約数ペア:

[(1, 20016971776), (2, 10008485888), (4, 5004242944), (8, 2502121472), (16, 1251060736), (17, 1177468928), (32, 625530368), (34, 588734464), (64, 312765184), (68, 294367232), (128, 156382592), (136, 147183616), (256, 78191296), (272, 73591808), (512, 39095648), (544, 36795904), (1024, 19547824), (1088, 18397952), (2048, 9773912), (2176, 9198976), (4096, 4886956), (4352, 4599488), (8192, 2443478), (8704, 2299744), (16384, 1221739), (17408, 1149872), (34816, 574936), (69632, 287468), (71867, 278528), (139264, 143734)]