20793945832

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{580577}}^1$

素因数の和:580642

約数の個数: 48

約数和(自身を含む): 44013618180

約数和(自身を除く): 23219672348

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 121, 148, 242, 296, 407, 484, 814, 968, 1628, 3256, 4477, 8954, 17908, 35816, 580577, 1161154, 2322308, 4644616, 6386347, 12772694, 21481349, 25545388, 42962698, 51090776, 70249817, 85925396, 140499634, 171850792, 236294839, 280999268, 472589678, 561998536, 945179356, 1890358712, 2599243229, 5198486458, 10396972916, 20793945832]

約数ペア:

[(1, 20793945832), (2, 10396972916), (4, 5198486458), (8, 2599243229), (11, 1890358712), (22, 945179356), (37, 561998536), (44, 472589678), (74, 280999268), (88, 236294839), (121, 171850792), (148, 140499634), (242, 85925396), (296, 70249817), (407, 51090776), (484, 42962698), (814, 25545388), (968, 21481349), (1628, 12772694), (3256, 6386347), (4477, 4644616), (8954, 2322308), (17908, 1161154), (35816, 580577)]