20160921176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{171869}}^1$

素因数の和:171960

約数の個数: 64

約数和(自身を含む): 43558732800

約数和(自身を除く): 23397811624

約数列:

[1, 2, 4, 8, 11, 22, 31, 43, 44, 62, 86, 88, 124, 172, 248, 341, 344, 473, 682, 946, 1333, 1364, 1892, 2666, 2728, 3784, 5332, 10664, 14663, 29326, 58652, 117304, 171869, 343738, 687476, 1374952, 1890559, 3781118, 5327939, 7390367, 7562236, 10655878, 14780734, 15124472, 21311756, 29561468, 42623512, 58607329, 59122936, 81294037, 117214658, 162588074, 229101377, 234429316, 325176148, 458202754, 468858632, 650352296, 916405508, 1832811016, 2520115147, 5040230294, 10080460588, 20160921176]

約数ペア:

[(1, 20160921176), (2, 10080460588), (4, 5040230294), (8, 2520115147), (11, 1832811016), (22, 916405508), (31, 650352296), (43, 468858632), (44, 458202754), (62, 325176148), (86, 234429316), (88, 229101377), (124, 162588074), (172, 117214658), (248, 81294037), (341, 59122936), (344, 58607329), (473, 42623512), (682, 29561468), (946, 21311756), (1333, 15124472), (1364, 14780734), (1892, 10655878), (2666, 7562236), (2728, 7390367), (3784, 5327939), (5332, 3781118), (10664, 1890559), (14663, 1374952), (29326, 687476), (58652, 343738), (117304, 171869)]