20161971408

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{28151}}^1$

素因数の和:28552

約数の個数: 80

約数和(自身を含む): 53451864576

約数和(自身を除く): 33289893168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 347, 516, 688, 694, 1032, 1041, 1388, 2064, 2082, 2776, 4164, 5552, 8328, 14921, 16656, 28151, 29842, 44763, 56302, 59684, 84453, 89526, 112604, 119368, 168906, 179052, 225208, 238736, 337812, 358104, 450416, 675624, 716208, 1210493, 1351248, 2420986, 3631479, 4841972, 7262958, 9683944, 9768397, 14525916, 19367888, 19536794, 29051832, 29305191, 39073588, 58103664, 58610382, 78147176, 117220764, 156294352, 234441528, 420041071, 468883056, 840082142, 1260123213, 1680164284, 2520246426, 3360328568, 5040492852, 6720657136, 10080985704, 20161971408]

約数ペア:

[(1, 20161971408), (2, 10080985704), (3, 6720657136), (4, 5040492852), (6, 3360328568), (8, 2520246426), (12, 1680164284), (16, 1260123213), (24, 840082142), (43, 468883056), (48, 420041071), (86, 234441528), (129, 156294352), (172, 117220764), (258, 78147176), (344, 58610382), (347, 58103664), (516, 39073588), (688, 29305191), (694, 29051832), (1032, 19536794), (1041, 19367888), (1388, 14525916), (2064, 9768397), (2082, 9683944), (2776, 7262958), (4164, 4841972), (5552, 3631479), (8328, 2420986), (14921, 1351248), (16656, 1210493), (28151, 716208), (29842, 675624), (44763, 450416), (56302, 358104), (59684, 337812), (84453, 238736), (89526, 225208), (112604, 179052), (119368, 168906)]